# Questions tagged [number-sequence]

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

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(My friend in real life gave me this)That's the original sequence: ⬅↕➡,⬅↕,➡,⬅,?,?,↕➡ I'm going to use other symbols to make it readable: (/), (/,), (/, ?, ?, /) I've noticed that the comma ...
130 views

### alphanumerical sequence Correct one

I have tried to solve this sequence which, I suppose has been created from the combination of a,b,c,d,e. I've reposted the correct sequence The sequence: (a,c), ?, ?, ?, (a,e), ?, ?, (c,d), ?, (b,...
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### Two, completely independent, means exist to obtain the same answer

... one "local"; and one "global" 1) 1 + 1 = 2 2) 2 + 1 = 4 3) 3 + 2 = 9 4) 5 + 3 = 17 5) 7 + ?? = 32 Can you determine the correct answer ...
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You and your friends Brutus and April are exploring an ancient temple when you encounter a locked door with a stone keypad next to it numbering 0, 1, 2 and 3. Out of curiosity you decide to type in ...
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### My school has a “crack the code” riddle [closed]

Title says most of it. I've been at this for hours with almost no progress. There are two codes (37068 and 57063) that didn't work although they seem to fit the conditions given. Can someone please ...
119 views

### some sequences are awesome!

My name is Awesom$\Sigma$ Sequenc$\Sigma$. Nice to meet you all :). I am new here. You can either use my first name or last name to address me. My hobbies include visiting new places. I usually ...
203 views

### Extremely Long Difficult Number Sequence

(2 7 4 4 5 7), (?), (2 1 3 2 1 7 1 4 1 5), (2 2 4 1 1 3 1 7 1 4 1 5), I can't find any links between these numbers, anyone could help me solve it?
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### Continue the number sequence

Some minor misunderstanding last week inspired me on creating this puzzle. Hope it would be not very boring :) Sequence: 10 50 100 306 356 562 ... What`s next? Hint:
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### number sequence puzzle deep six

Just a quick puzzle I just thought up. (so apologies if this has already been done) Here's numbers 1 to 5 in a sequence: 5-4-1-3-2 I now want to add the number 6 into the sequence, but where ...
651 views

### Mathematical cryptic clues

Programming language, after removing loss for you, reverses time (6) Complex arithmetic begins, Turing tests start beforehand (7) Quadruply male doctor Einstein, familiarly (11) Lie on a ...
511 views

### Find the next number in this sequence

Find the next number in the sequence : 1; 5; 33; 25; 2; 16; 14; 12; 11; ? What is the next number and why ?
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### 250 Floor Tower

There's a tower in a far off land, one that you can only climb by unlocking the secret password to all the floors. Each floor has an inscription on the walls, indicating a number. As you approach a ...
384 views

### Rethinking this series on the syllabus

I assigned each person in my class the task of creating a number-sequence, however, 4 of the guys I usually consider to be leaders came back with baffling results. Can you make sense of their work ...
484 views

### Find the next value of this number series [closed]

I have tried to solve few number series problems but this one is little difficult for me to solve. kindly help me to solve this. -1,35,143,323,? Thanks in ...
499 views

### IBM PAT Number Sequence

I am looking at an old IBM PAT (circa 1965) and am stumped by a number sequence question. This is it: Identify the pattern in the following sequences and select the option which indicates the next ...
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### How to solve this puzzling?

20190309,245111132328,331508165892,51222189610023,? A friend of mine gave me this number puzzling but I have no idea what is the logic. Does anyone know how to solve?
282 views

### Numbers Brain Teaser

I've come across a strange brain teaser on one of those sheets with things like: (man overboard) So here's the puzzle: 0 - 20 10 - 3 14 - 29 96 - 72 1977 I've been trying to ...
197 views

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### Staying grounded

I found a somewhat meaningful sequence that is not on OEIS yet, incredible! Here are the first 100 numbers of this sequence: ...
254 views

### Unlucky thirteen

These two separate sequences use the same rule and stop at the 13th term. 2, 1, 8, 5, 2, 5, 8, 6, 7, 9, 7, 7, 0 3, 1, 5, 3, 9, 2, 4, 3, 9, 7, 3, 1, 0 These examples are produced when the ...
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### Please find the missing number in the question [closed]

Find the missing number, and show how you found it.
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### solve it if you can [closed]

n = 11, j = 1, s = 9, m = ? If you solve it you are a genius.
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### That gap is a bit jarring

... but there doesn't seem to be anything missing. $0,1,2,3,4,5,6,7,1527465$ What then could cause that rather large gap?
625 views

### A sequence of peculiar palindromes

My son Robin came up with this: 0550, 1001, 1111, 1221, 1331, 1441, 1551, 2002... What are the next 4 numbers? Solve it today!
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### Number sequence 6

Fill in the correct number in this sequence: $16,32,40,88,92,172,?$ The options are: $178$,$176$,$174\frac{2}{3}$,$177$, and $175\frac{1}{3}$ At first, I thought the pattern was $2x+8$ but that ...
627 views

### The “Evan” Numbers

The Even numbers are simple: $2, 4, 6, 8, 10, 12, \dots$ The "Evan" numbers follow a tricky rule: $2, 4, 6, 30, 32, 34, 36, 40, 42, 44, 46, 50, 52, 54, 56, 60, 62, 64, 66, 2000, 2002, 2004, \dots$ ...
151 views

### Producing Integers

Came up with the idea for this one while I was scratching my head over another "what comes next" puzzle here on Puzzling.SE I wrote a small application which takes an integer and returns another ...