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A012092
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sinh(arcsin(arctan(x)))=x+4/5!*x^5-32/7!*x^7+1936/9!*x^9-67328/11!*x^11...
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1
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1, 0, 4, -32, 1936, -67328, 4140096, 353591808, -262064131840, 130347373404160, -65058714844462080, 36397620373403361280, -23130160076947953643520, 16791590408623398030868480
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[Sinh[ArcSin[ArcTan[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Mar 12 2016 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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STATUS
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approved
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