A009626 Expansion of sinh(x)*sin(sin(x)).

0, 2, -4, 38, -456, 6154, -131660, 3516334, -106736272, 3902982930, -170222268308, 8352824699446, -450765801976408, 26680683413522714, -1687649113840410588, 107139301840519550910, -5929940305488915501344

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Mathematica

With[{nn=40}, Take[CoefficientList[Series[Sinh[x]Sin[Sin[x]], {x, 0, nn}], x]Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Jan 04 2012 *)

Crossrefs

Sequence in context: A019275 A012433 A012438 * A009835 A362411 A009834

Adjacent sequences: A009623 A009624 A009625 * A009627 A009628 A009629

Keyword

sign

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved