A030863 [ exp(15/19)*n! ].

2, 4, 13, 52, 264, 1585, 11099, 88794, 799147, 7991477, 87906255, 1054875070, 13713375910, 191987262753, 2879808941305, 46076943060891, 783308032035156, 14099544576632824, 267891346956023663, 5357826939120473260

Offset

1,1

Links

Table of n, a(n) for n=1..20.

Mathematica

With[{c=Exp[15/19]}, Floor[c*(Range[20]!)]] (* Harvey P. Dale, Oct 21 2016 *)

Crossrefs

Sequence in context: A030953 A030811 A030917 * A030800 A291341 A129091

Adjacent sequences: A030860 A030861 A030862 * A030864 A030865 A030866

Keyword

nonn

Author

Simon Plouffe

Status

approved