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AIME 2020b Problem 10

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Find the sum of all positive integers nn such that when 13+23+33+⋯+n31^3+2^3+3^3+\cdots +n^3 is divided by n+5n+5, the remainder is 1717.

Dataset text AIME 1983 to 2026. Quoted with source.

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Locator aime/2020b/p10 · Tag WCW3Z864QS · Edit this page on GitHub · Keys: j next, k previous