A012537 arctan(sinh(x)*arcsin(x))=2/2!*x^2+8/4!*x^4-160/6!*x^6-11072/8!*x^8...

2, 8, -160, -11072, 59008, 103467520, 9545313024, -2353856581632, -975598930427904, 37877907269697536, 166837459499821137920, 45962446989093848219648, -37193338901666118751944704

Offset

0,1

Links

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

Mathematica

With[{nn=30}, Take[Rest[CoefficientList[Series[ArcTan[Sinh[x]ArcSin[x]], {x, 0, nn}], x]Range[0, nn]!], {2, -1, 2}]] (* Harvey P. Dale, Nov 29 2011 *)

Crossrefs

Sequence in context: A018926 A012432 A071097 * A012540 A346164 A175538

Adjacent sequences: A012534 A012535 A012536 * A012538 A012539 A012540

Keyword

sign

Author

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

Status

approved