A009258 Expansion of exp(tanh(sin(x))).

1, 1, 1, -2, -11, 8, 253, 288, -9911, -40192, 567449, 4910720, -42551299, -708052992, 3661191381, 124294481920, -252072060911, -26387620528128, -34332471915599, 6672448330104832, 34386811167577477, -1974770538516348928

Offset

0,4

Links

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

Mathematica

Exp[ Tanh[ Sin[ x ] ] ]

Crossrefs

Sequence in context: A290572 A220771 A277055 * A009204 A023642 A025536

Adjacent sequences: A009255 A009256 A009257 * A009259 A009260 A009261

Keyword

sign,easy

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved