login
A012598
E.g.f.: exp(arcsinh(x)*arcsin(x))=1+2/2!*x^2+12/4!*x^4+208/6!*x^6+6608/8!*x^8...
2
1, 2, 12, 208, 6608, 438912, 38672832, 5956592640, 1035058952448, 288405058560000, 83042522104507392, 36519438671549890560, 15719007594987094364160, 10017433660808198506414080
OFFSET
0,2
LINKS
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Exp[ArcSinh[x]ArcSin[x]], {x, 0, nn}], x]Range[0, nn]!, {1, -1, 2}]] Harvey P. Dale, May 19 2012
CROSSREFS
Sequence in context: A209832 A094157 A306715 * A156489 A129893 A008352
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Definition clarified by Harvey P. Dale, May 19 2012
STATUS
approved