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nickgard
  • Member for 7 years, 1 month
  • Last seen more than 1 year ago
  • United Kingdom
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About

I'm a keen recreational mathematician particularly interested in number theory.

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Top posts
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answer
39
Go forth and ...
Feb 17, 2018
answer
27
Can you make 1 1 1 1 = 5?
Jan 9, 2018
answer
17
What Does Igor's Letter Say?
Jan 16, 2018
answer
14
An Historical Spoonerism
Nov 27, 2017
answer
11
Unlucky tiling: Arrange thirteen right isosceles triangles into a square
Apr 21, 2018
answer
7
2019 is coming!
Sep 13, 2018
answer
7
Missing number puzzle: how to get this answer?
Dec 21, 2019
answer
7
A corresponding riddle
Feb 13, 2020
answer
7
Find out the missing letters
Jan 2, 2018
answer
6
Dissect a square into 3:1 rectangles
Jan 2, 2018
Top network posts
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35
Convex polygons that do not tile the plane individually, but together they do
24
Every natural number is covered by consecutive numbers that sum to a prime power.
23
Polygon-in-polygon testing
16
Are there polyominoes that can't tile the plane, but scaled copies can?
11
Is Conway's "Look and Say Sequence" strictly increasing?