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A009630
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Expansion of sinh(x)/cos(sin(x)).
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0
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1, 4, 16, -104, -5504, -69376, 5144192, 431779328, 3270959104, -2994808352768, -327470564016128, 13424788329791488, 9902586724481662976, 1141033124277100085248, -243917918992354704359424
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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[Sinh[x]/Cos[Sin[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Feb 02 2022 *)
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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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