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A012438
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arcsinh(arctan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4+38/6!*x^6-264/8!*x^8...
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0
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2, -4, 38, -264, 251082, -20187660, 3240768750, -246050691600, 164895642091410, -44832184763361300, 26301902902677945270, -6982668079815620764440, 6485203397909159496161370
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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[ArcTan[x]ArcSin[x]], {x, 0, nn}], x]Range[0, nn]!, {3, -1, 2}]] (* Harvey P. Dale, Dec 11 2011 *)
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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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