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Omni-MATH / We colored the n² unit squares of an n×n square lattice such that in each 2×2 square, at least two of the four unit squares have the same color. What is the largest number of color… · Discussion

Discussing We colored the n² unit squares of an n×n square lattice such that in each 2×2 square, at least two of the four unit squares have the same color. What is the largest number of color… · Omni-MATH

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