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Omni-MATH / Which positive integers n make the equation ∑_(i=1)^(n)∑_(j=1)^(n)⌊(ij)/(n+1)⌋=(n²(n−1))/(4) true? · Discussion

Discussing Which positive integers n make the equation ∑_(i=1)^(n)∑_(j=1)^(n)⌊(ij)/(n+1)⌋=(n²(n−1))/(4) true? · Omni-MATH

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