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A009157
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Expansion of cosh(tan(sin(x))).
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0
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1, 1, 5, 13, -855, -38791, -747539, 59637061, 9421489105, 573991066225, -49290541346219, -20481513828195331, -2616109089676671623, 259051585957836649961, 218489079668015355338557, 45857020942077467007882293, -6052305324824723639484616287
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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=40}, Take[CoefficientList[Series[Cosh[Tan[Sin[x]]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Apr 22 2013 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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