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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A380748 Antidiagonal sums of A380747.

Original entry on oeis.org

1, 0, 2, 5, 15, 50, 180, 695, 2869, 12616, 58862, 290305, 1508483, 8233942, 47086560, 281420499, 1753994617, 11377449948, 76667702218, 535802458029, 3877528409495, 29016786672794, 224243915547756, 1787491551588239, 14680196745177309, 124088256248966864, 1078492866534953734
Offset: 0

Views

Author

Stefano Spezia, Jan 31 2025

Keywords

Crossrefs

Cf. A380747.

Programs

  • Mathematica
    A380747[0, 0]:=1; A380747[1, 0]:=-1; A380747[n_, k_]:=((k-1)*n+k)k^(n-1); a[n_]:=Sum[A[n-k,k],{k,0,n}]; Array[a,27,0]
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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