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Omni-MATH / Let n≥3 be an integer. We say that an arrangement of the numbers 1 , 2 , … , n² in a n×n table is row-valid if the numbers in each row can be permuted to form an arithmetic progres… · Discussion

Discussing Let n≥3 be an integer. We say that an arrangement of the numbers 1 , 2 , … , n² in a n×n table is row-valid if the numbers in each row can be permuted to form an arithmetic progres… · Omni-MATH

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