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Re:公式也不难吧

Posted by fly_away at 2006-08-17 23:52:54 on Problem 2601
In Reply To:公式也不难吧 Posted by:frkstyc at 2005-09-11 11:34:26 
公式是这样的：a(1) = (a(n+1) - n * a0 - 2 * ((c1 + c2 + ...+ cn) +  (c1 + c2 + ... + cn-1) + ... + (c1 + c2) + c1) / (n + 1)
^_^
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