2015年11月14日

摘要: Count and SayThe count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ...1 is read off as "one 1" or 11.11... 阅读全文
posted @ 2015-11-14 04:49 一心一念 阅读(233) 评论(0) 推荐(0) 编辑

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