A013384 sinh(sin(x)-tanh(x))=1/3!*x^3-15/5!*x^5+271/7!*x^7-7655/9!*x^9...

1, -15, 271, -7655, 284491, -9609795, -382526689, 229639178065, -65098408980269, 17837435546853925, -5217817960366272249, 1673172596073749841785, -591805818675678286322629

Offset

0,2

Links

Table of n, a(n) for n=0..12.

Mathematica

With[{nn=30}, Take[CoefficientList[Series[Sinh[Sin[x]-Tanh[x]], {x, 0, nn}], x] Range[0, nn-1]!, {4, -1, 2}]] (* Harvey P. Dale, Sep 17 2016 *)

Crossrefs

Sequence in context: A180832 A361185 A013381 * A013380 A013382 A227973

Adjacent sequences: A013381 A013382 A013383 * A013385 A013386 A013387

Keyword

sign

Author

Patrick Demichel (patrick.demichel(AT)hp.com)

Status

approved