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A013330
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E.g.f.: tan(exp(x)-sec(x))=x+3/3!*x^3-4/4!*x^4+37/5!*x^5-180/6!*x^6...
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0
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0, 1, 0, 3, -4, 37, -180, 1015, -11464, 57961, -1001640, 6231819, -117917644, 1041455053, -18546221148, 232421139007, -3887058864784, 64390950162769, -1075269065795664, 21514220038798995, -383113444907091604
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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=20}, CoefficientList[Series[Tan[Exp[x]-Sec[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Aug 21 2014 *)
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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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Definition clarified and zero prepended by Harvey P. Dale, Aug 21 2014
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STATUS
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approved
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