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A012581
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cosh(arcsinh(x)*log(x+1))=1+12/4!*x^4-60/5!*x^5+210/6!*x^6...
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1
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1, 0, 0, 0, 12, -60, 210, -1260, 14448, -139104, 1131720, -11676720, 163234632, -2192512608, 27259115520, -393931268640, 6898028418048, -119527801113984, 1985315996055744, -36767841202329984
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OFFSET
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0,5
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LINKS
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MATHEMATICA
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CoefficientList[Series[Cosh[ArcSinh[x]*Log[1 + x]], {x, 0, 20}], x] * Range[0, 20]! (* Vaclav Kotesovec, Feb 04 2015 *)
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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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