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HMMT 二月 2001 · 冲刺赛 · 第 47 题

HMMT February 2001 — Guts Round — Problem 47

专题
Contest Math / 竞赛数学
难度
L3
来源
HMMT

题目详情

英文原题

  1. [7] For the sequence of numbers n , n , n , . . . , the relation n = 2 n + a holds for
    1 2 3 i i − 1
    all i > 1. If n = 5 and n = 257, what is n ?
    2 8 5 2
解析

英文解析

  1. [7] For the sequence of numbers n , n , n , . . . , the relation n = 2 n + a holds for
    1 2 3 i i − 1
    all i > 1. If n = 5 and n = 257, what is n ?
    2 8 5
    Solution: 33 . 2