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

0,4

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..100

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

Adjacent sequences:  A013433 A013434 A013435 * A013437 A013438 A013439

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified November 24 08:43 EST 2014. Contains 249873 sequences.