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A012116 sinh(arcsin(arcsinh(x)))=x+1/3!*x^3+9/5!*x^5+113/7!*x^7+6993/9!*x^9... 0
1, 1, 9, 113, 6993, 171777, 45264153, 412458993, 1241225427105, -81335384742015, 102955176831541545, -22142143528417205775, 20775502075935299781105, -8945394343172069982368895 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Sinh[ArcSin[ArcSinh[x]]], {x, 0, nn}], x]Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Mar 27 2012 *)
CROSSREFS
Sequence in context: A165224 A342296 A243676 * A362576 A356240 A157551
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved

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Last modified May 20 06:19 EDT 2024. Contains 372703 sequences. (Running on oeis4.)