A009792 Expansion of tanh(sin(tan(x))).

1, -1, -7, -1, -271, -160865, -20526295, -2612566625, -428389803295, -92209986037569, -24470039135390631, -7682773321370869825, -2806605353653596949039, -1180130871205583579484833, -564761272710902075156873847

Offset

0,3

Links

Table of n, a(n) for n=0..14.

Mathematica

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

Crossrefs

Sequence in context: A027538 A334394 A027478 * A103243 A027496 A056009

Adjacent sequences: A009789 A009790 A009791 * A009793 A009794 A009795

Keyword

sign

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved