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A012991
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arcsinh(arctan(x)+arcsin(x))=2*x-9/3!*x^3+361/5!*x^5-37247/7!*x^7...
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0
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2, -9, 361, -37247, 7669801, -2611958283, 1332778136517, -950743937966607, 903562629244729137, -1103376848629556507859, 1683455518560856213155933, -3138189120711848323676011959
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graph;
refs;
listen;
history;
text;
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[ArcTan[x]+ArcSin[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Sep 02 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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