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A013436
cosh(arcsin(x)-arctanh(x))=1+10/6!*x^6+840/8!*x^8+87750/10!*x^10...
1
1, 0, 0, 10, 840, 87750, 12340900, 2304422250, 556725078000, 169707184396750, 63859173696337500, 29112458631692231250, 15824678904821697625000, 10117021949736621549093750, 7518098018091686976236812500
OFFSET
0,4
LINKS
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Cosh[ArcSin[x]-ArcTanh[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Nov 13 2011 *)
CROSSREFS
Sequence in context: A013387 A013438 A013434 * A013437 A246599 A006714
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved