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.

A341726 Column 1 of A341723.

Original entry on oeis.org

1, -2, 15, -124, 1285, -16026, 233135, -3875768, 72487593, -1506355510, 34433714755, -858675022932, 23197217353661, -674881675961234, 21036941762791575, -699465496639029616, 24710351707159115089, -924304656631807218798, 36494922945480344959595
Offset: 1

Views

Author

N. J. A. Sloane, Mar 04 2021

Keywords

Crossrefs

Programs

  • Maple
    a := n -> (-1)^(n+1)*n*add(k!*combinat:-fibonacci(k+1)*Stirling2(n-1, k), k = 0..n-1): seq(a(n), n = 0..20); # Peter Luschny, May 13 2022

Formula

a(n) = (-1)^(n+1)*n*Sum_{k=0..n-1} k!*Fibonacci(k+1)*Stirling2(n-1, k). - Peter Luschny, May 13 2022

Extensions

More terms from Peter Luschny, May 13 2022