21 votes
Accepted

What is the last integer in this sequence?

The final entry is Reasoning: An aside:
  • 18.2k
9 votes
Accepted

Square Sum Problem Summing 3 consecutive digits along the line

An exhaustive search has found that the lowest value of n for which this is possible is: With the sequence:
5 votes

please Extend this list of Units

Since it's been 3 weeks, a partial answer to explain the puzzle, without quite being able to spot the intended solution... This puzzle has been inspired by another one on this site - namely, this one. ...
  • 117k
3 votes
Accepted

How Many Magic Hexagons that use repeated digits?

Question 1 How many unique patterns are there that use repeating consecutive digits?
  • 11.7k
3 votes
Accepted

Same sequence interwoven with itself creating groups

It is Proof
  • 16.2k
2 votes

How Many Magic Hexagons that use repeated digits?

Question 3 Is it possible to construct a Magic hexagon that uses repeated digits within the grid but doesn't have any repeated digits within any row columns or diagonal line?
  • 11.7k
2 votes

More bits the merrier

Not-perfectly-satisfactory answer First of all, it seems that Further, A little more specifically, So in effect we are being asked However, we can say that So If this is correct, then Another ...

Only top scored, non community-wiki answers of a minimum length are eligible