Top network posts
- 170How many fours are needed to represent numbers up to $N$?
- 40Proving you *can't* make $2011$ out of $1,2,3,4$: nice twist on the usual
- 28Sequence of numbers with prime factorization $pq^2$
- 10A question on partitions of n
- 9How minimally can I cut a cake sector-wise to fit it into a slightly undersized square tin?
- 8Some math symbols seem useless
- 7dissection of a $1\times 5$ rectangle to a square
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