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Omni-MATH / Let T_(L)=∑_(n=1)^(L)⌊n³/9⌋ for positive integers L. Determine all L for which T_(L) is a square number. · Discussion

Discussing Let T_(L)=∑_(n=1)^(L)⌊n³/9⌋ for positive integers L. Determine all L for which T_(L) is a square number. · Omni-MATH

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