A009506 Expansion of sin(tan(x))*cosh(x).

1, 4, 12, -296, -25200, -1885952, -163728576, -16916558720, -2050105730816, -282656394482688, -42100913802486784, -6025333851231979520, -461235714949468024832, 265243699159867430764544

Offset

0,2

Links

Table of n, a(n) for n=0..13.

Mathematica

Sin[ Tan[ x ] ]*Cosh[ x ] (* Odd Part *)

Crossrefs

Sequence in context: A366822 A360498 A291098 * A299808 A085116 A104129

Adjacent sequences: A009503 A009504 A009505 * A009507 A009508 A009509

Keyword

sign

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved