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这是我的发现,,

Posted by Essence_me at 2005-08-26 22:35:00 on Problem 2440
In Reply To:斐波拉契数列的一点变化 Posted by:Essence_me at 2005-08-26 18:04:49
An   =An-1 + An-2 + 0
An+1 =An   + An-1 + -1
An+2 =An+1 + An   + 0
An+3 =An+2 + An+1 +1
然后就是循环了,,
不知道哪位高手可以化简啊

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