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A012671
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sinh(tanh(x)*tan(x))=2/2!*x^2+232/6!*x^6+405152/10!*x^10...
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1
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2, 232, 405152, 3115956352, 68413355397632, 3412444856961083392, 334650367409781717573632, 58337032599905770133366013952, 16778439915509994766212708150935552, 7517731717169060247294932882974199775232
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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With[{nn=40}, Take[CoefficientList[Series[Sinh[Tanh[x]*Tan[x]], {x, 0, nn}], x] Range[0, nn-2]!, {3, -1, 4}]] (* Harvey P. Dale, Mar 08 2015 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Prior Mathematica program replaced and one additional term (a(9)) added by Harvey P. Dale, Mar 08 2015
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STATUS
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approved
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