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A013181
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Expansion of e.g.f.: log(arctanh(x)+cos(x)) = x-2/2!*x^2+7/3!*x^3-28/4!*x^4+193/5!*x^5...
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0
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0, 1, -2, 7, -28, 193, -1400, 13319, -139424, 1721281, -23379712, 357281351, -5951323904, 108706678273, -2142923081728, 45591739883975, -1037606714249216, 25211971076762753, -650452080060399616
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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With[{nn=20}, CoefficientList[Series[Log[ArcTanh[x]+Cos[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jan 12 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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EXTENSIONS
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Zero prepended and definition clarified by Harvey P. Dale, Jan 12 2016
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STATUS
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approved
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