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A013012
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Expansion of e.g.f.: log(cos(x)+arctan(x))=x-2/2!*x^2+3/3!*x^3-12/4!*x^4+73/5!*x^5...
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0
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0, 1, -2, 3, -12, 73, -440, 2779, -23968, 260177, -2866432, 32853491, -441968384, 6787498521, -108247087104, 1803655970635, -33080353591296, 660549566885793, -13769854019436544, 299826162055728355
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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[Cos[x]+ArcTan[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Aug 27 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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EXTENSIONS
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Zero prepended and definition clarified by Harvey P. Dale, Aug 27 2015
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STATUS
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approved
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