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A012080
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E.g.f.: sinh(arcsin(tan(x)))=x+4/3!*x^3+76/5!*x^5+3424/7!*x^7+285136/9!*x^9...
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0
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1, 4, 76, 3424, 285136, 38302144, 7603381696, 2097552753664, 768471264000256, 361133162545705984, 211820037816772258816, 151696192774576615727104, 130270853179191716758245376
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[Sinh[ArcSin[Tan[x]]], {x, 0, nn}], x]Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, May 24 2012 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
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STATUS
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approved
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