cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A115187 Row sums of triangle A115154 (called Y(3,1)).

Original entry on oeis.org

1, 5, 39, 346, 3230, 31191, 309175, 3129194, 32211432, 336239668, 3551081432, 37876866618, 407453687104, 4415521127579, 48159808659879, 528270329593474, 5823991858003544, 64497989461609224, 717191431082458804
Offset: 0

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Author

Wolfdieter Lang, Feb 23 2006

Keywords

Formula

a(n)= sum(A115154(n,m),m=1..n+1), n>=0.