A294050 E.g.f.: exp(1/(1-x)^4 - 1).

1, 4, 36, 424, 6136, 104544, 2037856, 44549824, 1076383296, 28423224064, 813041441536, 25012265117184, 822613038178816, 28777151476086784, 1066188308742567936, 41680239704335888384, 1713629127784250085376, 73882449584935612268544

Offset

0,2

Links

Seiichi Manyama, Table of n, a(n) for n = 0..410

Mathematica

nmax = 20; CoefficientList[Series[Exp[1/(1-x)^4 - 1], {x, 0, nmax}], x] * Range[0, nmax]! (* Vaclav Kotesovec, Oct 22 2017 *)

Prog

(PARI) N=66; x='x+O('x^N); Vec(serlaplace(exp(1/(1-x)^4-1)))

Crossrefs

Column k=4 of A294046.

Sequence in context: A317147 A371679 A132864 * A052700 A167540 A136224

Adjacent sequences: A294047 A294048 A294049 * A294051 A294052 A294053

Keyword

nonn

Author

Seiichi Manyama, Oct 22 2017

Status

approved