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TR-MO-R1 2017 Problem 8

    nn, pozitif bir tam sayı olmak üzere, (n+2)4(n+2)^4 sayısının (n+1)4(n+1)^4 sayısına bölümünden kalan KnK_n olsun. KnK_n sayısının 4 ile bölümünden kalan RnR_n ise

    R1+R2+R3+⋯+R2016+R2017=?R_1+R_2+R_3+\cdots+R_{2016}+R_{2017}=?

    A) 2016 B) 2017 C) 4030 D) 4031 E) 6053

    Official text Turkish Mathematical Olympiad, first round 2017 official paper, page 5. Quoted with source.

    A model read this text from the scan of the paper by OCR, with vision/claude@2.1.318 (claude-opus-5-5). No person has checked it against the paper yet.

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