A030888 a(n) = floor(exp(12/17)*n!).

2, 4, 12, 48, 243, 1458, 10209, 81673, 735061, 7350617, 80856796, 970281553, 12613660194, 176591242722, 2648868640839, 42381898253439, 720492270308475, 12968860865552555, 246408356445498551, 4928167128909971020, 103491509707109391425, 2276813213556406611355

Offset

1,1

Links

Table of n, a(n) for n=1..22.

Mathematica

Table[Floor[Exp[12/17]*n! ], {n, 22}] (* Stefano Spezia, Apr 15 2022 *)

Crossrefs

Cf. A000142.

Sequence in context: A030813 A126772 A030949 * A030801 A263867 A326863

Adjacent sequences: A030885 A030886 A030887 * A030889 A030890 A030891

Keyword

nonn

Author

Simon Plouffe

Status

approved