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A009663
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Expansion of tan(sin(x))*cosh(x).
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0
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1, 4, 12, -128, -5232, -54848, 5325504, 403442176, 558723328, -2994514283520, -295655443772416, 17110494845845504, 9628494110111469568, 971219320278689300480, -262986198032101769035776
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[Tan[Sin[x]]Cosh[x], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, May 15 2021 *)
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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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