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ASU 445 All Soviet Union MO 1987 (n+2)/1^{1987} + 2^{1987} + ... + n^{1987}

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August 7, 2019
divisiblenumber theory

Problem Statement

Prove that 11987+21987+...+n19871^{1987} + 2^{1987} + ... + n^{1987} is divisible by n+2n+2.