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Omni-MATH / Let Q be a (2n+1)×(2n+1) board. Some of its cells are colored black in such a way that every 2×2 board of Q has at most 2 black cells. Find the maximum amount of black cells that t… · Discussion

Discussing Let Q be a (2n+1)×(2n+1) board. Some of its cells are colored black in such a way that every 2×2 board of Q has at most 2 black cells. Find the maximum amount of black cells that t… · Omni-MATH

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