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A013266
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E.g.f.: arctanh(log(x+1)-sinh(x)) = -1/2!*x^2 + 1/3!*x^3 - 6/4!*x^4 + 23/5!*x^5 - ...
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0
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0, 0, -1, 1, -6, 23, -150, 929, -8120, 73387, -791280, 9118019, -118205208, 1645324757, -25017568576, 407175866733, -7122304020000, 132554586404695, -2623938745643136, 54936833779465199
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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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With[{nn=20}, CoefficientList[Series[ArcTanh[Log[x+1]-Sinh[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jul 25 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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First two terms prepended and definition clarified by Harvey P. Dale, Jul 25 2013
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STATUS
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approved
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