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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..200

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

Adjacent sequences:  A012595 A012596 A012597 * A012599 A012600 A012601

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Definition clarified by Harvey P. Dale, May 19 2012

STATUS

approved

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Last modified September 24 17:09 EDT 2020. Contains 337321 sequences. (Running on oeis4.)