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A012111
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Expansion of e.g.f.: exp(arcsin(arcsinh(x)))=1+x+1/2!*x^2+1/3!*x^3+1/4!*x^4+9/5!*x^5...
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0
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1, 1, 1, 1, 1, 9, 49, 113, 1, 6993, 83361, 171777, -2206335, 45264153, 961321425, 412458993, -96313079295, 1241225427105, 41773143339585, -81335384742015, -9493597481579775, 102955176831541545, 4967941000109596785
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OFFSET
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0,6
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LINKS
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MATHEMATICA
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With[{nn=30}, CoefficientList[Series[Exp[ArcSin[ArcSinh[x]]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jul 31 2019 *)
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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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EXTENSIONS
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STATUS
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approved
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