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A013020
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Expansion of e.g.f.: tanh(sinh(x)+log(x+1))=2*x-1/2!*x^2-13/3!*x^3+42/4!*x^4+237/5!*x^5...
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0
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0, 2, -1, -13, 42, 237, -2490, -3645, 204344, -680163, -20955960, 230307805, 2174078808, -64281321713, -27511603392, 18418436193415, -156659497218720, -5253312957895607, 117706310429535360
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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With[{nn=20}, CoefficientList[Series[Tanh[Sinh[x]+Log[x+1]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Nov 25 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, Nov 25 2016
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STATUS
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approved
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