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A012102
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arctan(arcsin(sinh(x)))=x+4/5!*x^5+192/7!*x^7+9616/9!*x^9...
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0
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1, 0, 4, 192, 9616, 1115392, 172350528, 37703053312, 10989042954496, 4099556761067520, 1910734175200936960, 1087150572502335373312, 741705342559787764715520, 597689034047543849712812032
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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[ArcTan[ArcSin[Sinh[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Jul 13 2014 *)
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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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STATUS
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approved
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