# finite sums closed expressions

Another catalanization:

Here $B_n$ is the Central Binomial Increasing Natural Sequence: ${2n \choose n}$ – combinations

and

$C_n=\frac{B_n}{n+1}$ , the Catalan Increasing Natural Sequence. So volkers a deep understanding of hypergeometric function and strong pop computer algebra profits…

Let me remind or feedback to you something like the Gauss’ little sum $\sum_{k=0}^{n}k=\frac{n(n+1)}{2}$.