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Mathematical questions in one way or another related to the game of chess.

5 votes

Traversing the infinite square grid

For a one dimensional lattice, the solution with $a_n = n$ is trivial: starting from $0$, we proceed to $1, -1, 2, -2, \ldots$. After $2n$ steps, we have covered $[-n, n]$ without stepping anywhere ou …
Zack Wolske's user avatar
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