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A012083
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arctanh(arcsin(tan(x)))=x+5/3!*x^3+129/5!*x^5+8133/7!*x^7+949281/9!*x^9...
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0
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1, 5, 129, 8133, 949281, 177127653, 48290752353, 18102997908453, 8931245615625921, 5609823664317348165, 4370983985597526359745, 4137308650120582099800453, 4676183786000402886175691745
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[ArcTanh[ArcSin[Tan[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Nov 26 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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