A030800 a(n) = floor(exp(19/24)*n!).

2, 4, 13, 52, 264, 1589, 11123, 88989, 800902, 8009022, 88099244, 1057190930, 13743482102, 192408749440, 2886131241604, 46178099865665, 785027697716317, 14130498558893720, 268479472618980693, 5369589452379613862

Offset

1,1

Links

Jinyuan Wang, Table of n, a(n) for n = 1..449

Mathematica

Floor[Exp[19/24]#!]&/@Range[20] (* Harvey P. Dale, Jun 09 2017 *)

Prog

(PARI) a(n) = floor(exp(19/24)*n!); \\ Jinyuan Wang, Apr 08 2020

Crossrefs

Sequence in context: A030811 A030917 A030863 * A291341 A129091 A030970

Adjacent sequences: A030797 A030798 A030799 * A030801 A030802 A030803

Keyword

nonn

Author

Simon Plouffe

Status

approved