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A013218
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E.g.f.: arctanh(log(x+1)-sin(x)) = -1/2!*x^2 + 3/3!*x^3 - 6/4!*x^4 + 23/5!*x^5 + ...
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0
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0, 0, -1, 3, -6, 23, -150, 1351, -12600, 118187, -1224720, 14702941, -200731608, 2986886693, -47352985680, 800879433355, -14538372969120, 282952402841303, -5862543549637824, 128430397643505121, -2964326737589237000, 71982961886998521617
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OFFSET
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0,4
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LINKS
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MATHEMATICA
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With[{nn=20}, CoefficientList[Series[ArcTanh[Log[x+1]-Sin[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Oct 01 2013 *)
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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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Definition clarified and first two terms prepended by Harvey P. Dale, Oct 01 2013
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STATUS
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approved
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