A030859 [ exp(1/20)*n! ].

1, 2, 6, 25, 126, 756, 5298, 42387, 381485, 3814852, 41963378, 503560537, 6546286983, 91648017770, 1374720266550, 21995524264802, 373923912501650, 6730630425029702, 127881978075564346, 2557639561511286935

Offset

1,2

Links

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

Mathematica

Floor[Exp[1/20](Range[30]!)] (* Harvey P. Dale, Oct 10 2018 *)

Crossrefs

Sequence in context: A030839 A030851 A188687 * A030877 A275754 A030883

Adjacent sequences: A030856 A030857 A030858 * A030860 A030861 A030862

Keyword

nonn

Author

Simon Plouffe

Status

approved