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.

A351333 a(n) = Sum_{k=0..n} k! * (-k)^k * Stirling1(n,k).

Original entry on oeis.org

1, -1, 9, -188, 7210, -442534, 39778322, -4926514200, 804271290024, -167367096770256, 43244394345493968, -13583108127289832592, 5097183064576208028096, -2252211248747050526401296, 1157380447302779717382178416, -684423139836843936246492092928
Offset: 0

Views

Author

Seiichi Manyama, Feb 07 2022

Keywords

Crossrefs

Programs

  • PARI
    a(n) = sum(k=0, n, k!*(-k)^k*stirling(n, k, 1));
    
  • PARI
    my(N=20, x='x+O('x^N)); Vec(serlaplace(sum(k=0, N, (-k*log(1+x))^k)))

Formula

E.g.f.: Sum_{k>=0} (-k * log(1+x))^k.