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A013412
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arcsinh(arcsin(x)-arctan(x))=3/3!*x^3-15/5!*x^5+945/7!*x^7-36855/9!*x^9...
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0
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3, -15, 945, -36855, 5145525, -541215675, 137450538225, -28334434503375, 11334312919054125, -3890960916187219875, 2248877246697095639625, -1162888838017333636584375, 916442062457996554007653125
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internal format)
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[ArcSinh[ArcSin[x]-ArcTan[x]], {x, 0, nn}], x] Range[0, nn-1]!, {4, -1, 2}]] (* Harvey P. Dale, Apr 27 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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