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Topic: Sums
Replies: 1   Last Post: Jan 3, 2008 7:17 PM

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 C P Ruiz Posts: 1 Registered: 1/3/08
Sums
Posted: Jan 3, 2008 12:37 PM
Does anybody know if there is a closed form for the sum $\sum_{j=1}^{n}j^{k}\binom{n}{j}$ ?