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Omni-MATH / Let n>1 be an odd integer. On an n×n chessboard the center square and four corners are deleted. We wish to group the remaining n²−5 squares into (1)/(2)(n²−5) pairs, such that the … · Discussion

Discussing Let n>1 be an odd integer. On an n×n chessboard the center square and four corners are deleted. We wish to group the remaining n²−5 squares into (1)/(2)(n²−5) pairs, such that the … · Omni-MATH

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