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Re:递推公式 a[i]=2*(a[i-1]+a[i-2]*(i-1)) ?

Posted by PeacefulBY at 2009-05-17 13:06:53 on Problem 3734
In Reply To:递推公式 a[i]=2*(a[i-1]+a[i-2]*(i-1)) ? Posted by:ririyeye at 2009-05-17 13:05:22 
> 对否？
2^(n-1)*(1+2^(n-1))
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