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Topic: Closed-form representation
Replies: 2   Last Post: Nov 12, 1999 4:09 PM

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Rung-Bin Lin

Posts: 1
Registered: 12/8/04
Closed-form representation
Posted: Nov 12, 1999 9:31 AM
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Dear Sir,

I am wondering whether there is a closed-form representation for
0*C(n,0)+1*C(n,1)+2*C(n,2)+3*C(n,3)+...+n/2*C(n,n/2), where n is
even and C(n,k)=n!/((n-k)!*k!). Is there a generating function
for it?

Best Regards,

Rung-Bin Lin

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