A030933 a(n) = floor(exp(1/13)*n!).

1, 2, 6, 25, 129, 777, 5442, 43543, 391895, 3918955, 43108507, 517302088, 6724927152, 94148980136, 1412234702043, 22595755232690, 384127838955741, 6914301101203342, 131371720922863503, 2627434418457270066

Offset

1,2

Links

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

Mathematica

Floor[Exp[1/13]Range[20]!] (* Harvey P. Dale, May 26 2020 *)

Crossrefs

Sequence in context: A030915 A030921 A132290 * A299044 A100325 A353180

Adjacent sequences: A030930 A030931 A030932 * A030934 A030935 A030936

Keyword

nonn

Author

Simon Plouffe

Status

approved