A030968 [ exp(5/6)*n! ].

2, 4, 13, 55, 276, 1656, 11596, 92775, 834978, 8349781, 91847594, 1102171133, 14328224732, 200595146260, 3008927193906, 48142835102504, 818428196742571, 14731707541366281, 279902443285959353, 5598048865719187061

Offset

1,1

Links

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

Mathematica

With[{c=Exp[5/6]}, Floor[c*Range[20]!]] (* Harvey P. Dale, Nov 03 2013 *)

Crossrefs

Sequence in context: A030810 A346550 A058135 * A030862 A030923 A360508

Adjacent sequences: A030965 A030966 A030967 * A030969 A030970 A030971

Keyword

nonn

Author

Simon Plouffe

Status

approved