A009225 Expansion of exp(sinh(x))/cos(x).

1, 1, 2, 5, 16, 57, 248, 1157, 6336, 36753, 244480, 1702725, 13409408, 109438409, 999327488, 9375819525, 97590304768, 1036122313377, 12120423043072, 143739691502213, 1867576863899648, 24474485553698265

Offset

0,3

Links

Table of n, a(n) for n=0..21.

Mathematica

Exp[ Sinh[ x ] ]/Cos[ x ]

Crossrefs

Sequence in context: A121689 A357580 A192635 * A157612 A348103 A184943

Adjacent sequences: A009222 A009223 A009224 * A009226 A009227 A009228

Keyword

nonn,easy

Author

R. H. Hardin

Extensions

Extended and signs tested Mar 15 1997 by Olivier Gérard.

Status

approved