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.

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A107703 Sums of antidiagonals of number array A103209.

Original entry on oeis.org

1, 2, 4, 11, 43, 218, 1336, 9557, 78053, 714578, 7223548, 79704015, 951626175, 12210506762, 167413540912, 2440529176297, 37665520151241, 613124748803618, 10492684074110772, 188241358671950227, 3531254422923432083
Offset: 0

Views

Author

Paul Barry, May 21 2005

Keywords

Comments

Row sums of A107702.

Formula

a(n)=sum{k=0..n, sum{j=0..n-k, C(n-k+j, 2j)*k^j*C(k)}}, C(n) given by A000108.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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