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A013351
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Expansion of e.g.f.: exp(sin(x)-tan(x))=1-3/3!*x^3-15/5!*x^5+90/6!*x^6-273/7!*x^7...
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0
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1, 0, 0, -3, 0, -15, 90, -273, 2520, -15495, 126630, -977493, 9727740, -88854675, 979548570, -10671316113, 129584342160, -1617243395055, 21655877754510, -303182522321133, 4450716903531780, -68820502388338635
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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[Exp[Sin[x]-Tan[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Aug 08 2023 *)
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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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STATUS
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approved
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