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A009824
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Expansion of e.g.f.: tanh(x)*cos(log(1+x)).
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0
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0, 1, 0, -5, 12, -14, 120, -1238, 6608, -30092, 279360, -3130852, 26571600, -212970328, 2311816416, -27582585592, 262039232640, -1763092281712, 1470511954944, 439606528588592, -18342263739368000, 558461845910267936, -15219479141544881280, 406782245791659905440
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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=30}, CoefficientList[Series[Tanh[x]*Cos[Log[1+x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Sep 17 2016 *)
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CROSSREFS
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KEYWORD
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sign,easy
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AUTHOR
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EXTENSIONS
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Definition clarified and previous Mathematica program replaced by Harvey P. Dale, Sep 17 2016
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STATUS
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approved
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