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For questions about mathematical tiling.

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1 answer
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Polyomino that can tile itself

Find all polyomino $P$ such that we can tile $nP$ with $n^2$ copies of $P$ for all $n\in \mathbb{N}$. ($nP$ is a polynomino similar to $P$ with scale factor $n$) I conjecture that there are only $4$ t …
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