A009447 Expansion of sin(cosh(x)*x).

1, 2, -24, -624, -7424, 242560, 23499776, 1002251264, -2151563264, -5583112077312, -666018502836224, -39230927775531008, 2301688982196453376, 1098354240121833783296, 184678513097428042776576

Offset: 0

Author

R. H. Hardin

Keywords

• sign

Programs

Mathematica

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

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997