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Re:谁能说一下为什么是catalan 数？In Reply To:谁能说一下为什么是catalan 数？ Posted by:WAkeeper7 at 2009-09-15 08:42:25 > 谁能说一下为什么是catalan 数？ > 而且得输出 catalan(n+2)? 算出前几项，发现前几项是1,1，2,5,14,42，可以推测是catalan数 Followed by: Post your reply here: |
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