A341726 Column 1 of A341723.

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

Offset

1,2

Links

Table of n, a(n) for n=1..19.

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

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

Crossrefs

Cf. A000556, A341723.

Sequence in context: A127610 A085228 A365157 * A055866 A364978 A051407

Adjacent sequences: A341723 A341724 A341725 * A341727 A341728 A341729

Keyword

sign

Author

N. J. A. Sloane, Mar 04 2021

Extensions

More terms from Peter Luschny, May 13 2022

Status

approved