Questions tagged [number-sequence]

A puzzle that asks for the pattern in a given number sequence.

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-1
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2answers
336 views

What number completes this sequence?

What number completes this sequence please? 1, 2, 68, 14, 21, 89, 49, 56, 37, 95
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2answers
168 views

What would be the next step?

How is this constructed? What would the next step look like? 06, 12, 14, 228, 456, 812, 1024, 3048, 6, 1, 2, 5, 1, 2 HINT:
3
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1answer
531 views

Next number in this sequence?

I was trying this 3,9,18,______,648 What is the missing number? Any hints? I am given options as: 27 324 54 108 I thought of adding the digits and then see a pattern like except 3 all the digits of ...
0
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0answers
194 views

Riddle is boggling my mind

I really need help with this. Any ideas? I think it has something to do with 1D arrays, as per the hint at the bottom. 64x10 implies that there is some sort of table? ...
23
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1answer
2k views

A brief int counter

The following infinite sequence is used by those taking first steps in maths. 3, 3, 4, 4, 4, 3, 4, 5, 3, 3, 4, 5, 6, 7, ? Find the next number.
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1answer
341 views

Solve the puzzle to complete the sequence

Solve the puzzle with the logic, what should the missing number in the last sequence I found this on Facebook, and I don't know where it came from.
4
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1answer
352 views

Finding odd one out from the following sequence

I was trying to find odd one out from the sequence as follows - $−3,9,41,113,262,577$ I took the difference of the consecutive terms - $12,32,72,149,315$ I still could not find any pattern in ...
9
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1answer
203 views

Figure It Out With Ease

What goes next in the number sequence? 9, 9, 10, 9, 10, 9, 9, 9, 5, 8, 6, 10, 11, 8, ? Hint 1 Hint 2
0
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1answer
103 views

Help the Rebels Stop Bomb Attacks in the Year 2078!

AUGUST 2078: ACCOUNT BY BOBBY SMITH OF THE SOUTHWESTERN EUROPEAN EMPIRE Rebel armies moving forward. The robots have struck a city in Portugal State. The Imperial Soldiers have sent more attacks. Our ...
17
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1answer
386 views

Some enigmatic number sequences

Here are some numbers: 959, 233, 14, 36, 105, 45, 784, 120, 1579, 1001, 1111, 90, 841, 1607, 590, 625, 609, 144, 606 And here are the rest of the numbers: 1, 2, 5, 20, 30, 34, 42, 55, 56, 66, 72, 78, ...
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1answer
100 views

Surprisingly(not literally) easy one? [closed]

What are the next two numbers in the following sequence: 0, 1, 4, 18, __, __. Please explain your logic.
10
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4answers
762 views

How to deal with Tim

My friend Tim is a real dick. Whatever happens to him he just won't die! I asked him what the secret to his power was (So I could kick his ass). He handed me a crumpled up piece of this paper with ...
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2answers
23k views

Not the usual “8 5 4 9 1 7 6 3 2 0” sequence puzzle

This is not the usual $8, 5, 4, 9, 1, 7, 6, 3, 2, 0$ sequence puzzle, which the answer of the pattern is The sequence is: $3, 9, 1, 5, 7, 0, 2, 4, 8, 6$. Can you figure the pattern of this sequence?
9
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1answer
565 views

This is another number sequence puzzle!

Can you find the next number in the following sequence: 3, 6, 9, 8, 13, 20, 17, 14, 21, ? If you're operating differently you probably prefer to solve the following sequence: 2, 0, 0, 12, 35, ...
6
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1answer
252 views

A mathematical number sequence

Can you deduce the next three terms and long term behaviour? $$0, 1, 1, 2, 3, 7, 22, 29, 45, 100, \dots$$ This sequence is not in the Online Encyclopedia of Integer Sequences (OEIS).
12
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3answers
628 views

I know. Another number sequence?

Another number sequence? Ludicrous! Succumb to the madness, give me a chance. Overcome your antipathy for these puzzles, although I’ll understand if you can’t. Man, there are just so many of these ...
6
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1answer
255 views

Another Next Number Question

This is a bit different number sequence. Format and punctuation are on purpose. What are the blanks? 4 1 2 2 '1 2, 1 1 2 1 1 1 1 2 1 1 1: 1 2 1 1 3, _ _ _ _ _. ...
10
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1answer
468 views

A Philosophical Sequence

What is the next number in this (almost certainly infinite) number sequence? $23, 2, 1, 11, 37, 4, 7, 15, 8, 66, 48, 31, 202, 84, 49, 173, 23, 42, 167, 69, 147, 97, ?$ (Here's a helpful link for ...
12
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1answer
1k views

Which two numbers complete this number sequence?

Which two numbers complete this sequence? 7, 4, 2, 6, 9, (8), 7, 6, (5), __, __ Hint 1 Hint 2 Hint 3
0
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1answer
160 views

Think out of the box about numbers! [duplicate]

Find the next number of the 'sequence': 3, 13, 1113, 3113, 132113, ??? Thanks, and will add hints of needed. :)
9
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4answers
519 views

Difficult number sequence

33, 66, ?, 1212, ?, 1218 I just can't figure out how to complete this sequence. The last number throws off everything I try. Anyone have some ideas? I can perhaps see the missing numbers ending in 9 ...
4
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1answer
398 views

The MYSTIQUE sequence

This is the sequence: 0 89 77 175 117 288 222 261 0 83 85 134 190 235 179 0 84 62 181 159 186 Please, write down the next line. Hint 1:
24
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1answer
778 views

Oh dear, oh my, how blatant

Looking at the Puzzling Stack Exchange recently, I found a surfeit of number sequence riddles that all look the same! I mean, there's no difference between any of them. I'm sick and tired of all these ...
11
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2answers
968 views

What number follows up next? Part 2

I'm trying to figure out what number follows next in this sequence. Can you help me? 5, 21, 341, 5461, 1398101, 22369621
5
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3answers
658 views

Can you find the value of the question mark$\color{red}?$

Puzzle: Find the value of the question mark $\color{red}?$. $$(2, 13, 47)$$ $$(5, 7, 19)$$ $$(8, 1, \color{red}?)$$ Hint 1: $\color{red}?$ is a prime. Hint 2: $\color{red}?$ is a cyclops. ...
8
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2answers
181 views

Another number sequence

Any ideas of what comes next? 0, 0, 1, 5, 119.... Note: this sequence cannot be found in The On-Line Encyclopedia of Integer Sequences and the solution is not obtained by fitting a polynomial ...
5
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2answers
204 views

Please Resolve Interesting Mathematical Equation

As noted in the title can you find the mathematical expression for the following sequence of numbers? 1, 2, 2, 4, 1, 1, 3, 3, 4, 9, 1, 1, 3, 5, 9 From time to time hints will be updated. Note: ...
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2answers
188 views

Can you find the pattern to this number sequence?

The sequence is $1, 4, 16, 27, 256, 3125, 46656, 65536, 823543, 16777216, 387420489, 10000000000, 285311670611, 7625597484987, 8916100448256$ Can you figure out the pattern to this sequence of ...
14
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1answer
1k views

Number Pie Chart

What should be the missing number?
13
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1answer
419 views

Can you explain this cyclic number sequence

Can you work out the mathematical rule for this cyclic number sequence? 2, 6, 186, 8, 456, 54, 53, 23, 7, 301, 3, 21, 2, 6,..... Hint 1 From time to time hints will be updated. Note: this ...
10
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4answers
3k views

Solve this number sequence: 20, 21, 21, 22, 12,?

Can you find the last number of this sequence; it may require a bit of a leap? 20, 21, 21, 22, 12, ? Hint 1: Hint 2:
3
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1answer
165 views

What number follows up next?

I'm currently working on a (difficult) number progression and need your help. How would you continue? 2, 5, 12, 25, 54, 113, 240, 481 ? Thanks in forward!
3
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3answers
274 views

Puzzling Number Boxes

Found this puzzle as a translation question. The Chinese is fairly simple, it just asks to solve for the ? in the bottom right square. The actual puzzle though, I have no clue about. Can any of you ...
11
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2answers
1k views

What is the rule for these number sequences?

Can you work out the mathematical rule for these number sequences? It is the same rule for both sequences 2, 4, 16, 7, 49, 25, 9, 81, 9, 81.... 8, 64, 22, 6, 36, 15, 6, 36, 15.... Hint 1 ...
1
vote
1answer
160 views

What will be the next two terms? [closed]

$$26\quad 28\quad 28\quad 30\quad 30\quad 28\quad 32\quad 30\quad ?\quad ?$$ If I consider the sequence of odd terms, then it follows increasing by $2$ each time. So the first missing term is $34$. ...
7
votes
3answers
935 views

What is the next number to appear in this sequence?

$1, 1, 0, -2, 4, 18, 328, 107638 ,?$ This problem can be complex, use your imagination. Hint: Hint 2: Hint 3: Hint 4: Hint 5: Hint 6: Hint 7:
17
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3answers
940 views

How is this number sequence built up and how does it continue?

Can you work out how this number sequence is built up? Can you work out how it continues? 1, 1, 2, 4, 8, 20, 60, 240, 1500, ....... Hint 1 Hint 2 From time to time hints will be updated. Note: ...
0
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2answers
639 views

A Lot of Thought [duplicate]

One of my favourite school time riddles! What is the number of the parking space containing the car?
2
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1answer
206 views

I made this. Find the missing number

8, 13, 15, 43, 30, 37, 32, 6, 36, 37, 1, 7, 18, 15, ??? Hint 1: Hint 2:
7
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2answers
383 views

Can you fill in the gaps in this number sequence?

The number sequence is 73, 70, 49, 52, 35, ?, ?, ?, ?, ?, 72,..... Can you fill in the gaps and predict what happens after 72? I have updated the hints below. ...
16
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1answer
1k views

Given these numbers, find the secret word

My son is 12 years old and his task was to find an English word from these numbers: 13; -8; 2; 2; -6; 12; 2; 6; -1; -12 where ...
-2
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1answer
312 views

Missing Number Question

Source : Briddles.com Find the missing number
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0answers
60 views

Find the next number in the following sequence [duplicate]

It is easy when you get it. 0,10,1110,3110,132110,? Let me know if you already know about this.
3
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0answers
157 views

A special number set [closed]

Find the largest set of stricly positive integer terms in which none divides another and respecting the following rule: given any three of them, one divides the sum of the other two. Source: ...
4
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1answer
394 views

The Generic Number Sequence Puzzle

If you are in a hurry, you can skip the story below, there's a TL;DR near the end. The gist is that we are going to solve every number-sequence puzzle ever*, all in one go. *: Terms and ...
2
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2answers
628 views

Find the next number in the sequence below?

Find the next number in the sequence below: 298 209 129 58 ? Source: Briddles.com
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0answers
169 views

Find the Pattern - “The Weird Pattern” [closed]

This pattern has fooled many people in the past... Even I was fooled. But I have met a friend of mine that is not fooled. Now, I am hoping to find more. This is the pattern: 67 376 998 762 45 938 ...
6
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1answer
367 views

What is a Reversible Number™

This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles, and the likewise inspired What is a Number™ series. If a number conforms ...
6
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5answers
1k views

20 cards facing down

You have a row of $20$ cards facing down. A 'move' consists of the following actions performed in sequence: Pick a face-down card and flip it face-up If there is one, also flip the next card on ...
0
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1answer
131 views

Number Sequence

Forgive me for the unoriginal title, it's been a while since I made a puzzle. Just a simple number sequence, find X and give reasoning/pattern 1, 1, 2, 4, 3, 9, 4, 61, 5, 52, 6, 63, 7, 94, 8, X ...