A030805 a(n) = floor(exp(5/24)*n!).

1, 2, 7, 29, 147, 886, 6207, 49659, 446931, 4469315, 49162474, 589949695, 7669346038, 107370844541, 1610562668120, 25769002689920, 438073045728649, 7885314823115697, 149820981639198252, 2996419632783965048

Offset

1,2

Links

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

Prog

(PARI)  a(n) = floor(exp(5/24)*n!); \\ Jinyuan Wang, Apr 08 2020

Crossrefs

Sequence in context: A185109 A030973 A295225 * A121638 A030874 A030920

Adjacent sequences: A030802 A030803 A030804 * A030806 A030807 A030808

Keyword

nonn,easy

Author

Simon Plouffe

Status

approved