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TR-MO-R1 2025 Problem 15

    a0,a1,a2,…a_0, a_1, a_2, \ldots gerçel sayı dizisi a0=3a_0 = 3 ve her n≥1n \geq 1 için

    an+1n=an−12n+2an−1+n−1\frac{a_n + 1}{n} = \frac{a_{n-1}^2}{n} + 2a_{n-1} + n - 1

    olacak şekilde tanımlanıyor. kk bir pozitif tam sayı olmak üzere, ∣a2025−2k∣|a_{2025} - 2^k| ifadesinin alabileceği en küçük değer kaçtır?

    a) 2023 b) 2024 c) 2025 d) 2026 e) 2027

    Dataset text TÜBİTAK olympiad set, Matematik_2025_1.Asama_15. 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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