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A009538
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Expansion of sin(x)*cosh(sin(x)).
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0
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1, 2, -24, 104, 1792, -68608, 1203840, 5570816, -1636425728, 86205304832, -2289265803264, -73881736609792, 15846608494821376, -1309579649460404224, 56807804221374332928, 2613072244764189655040, -930940291170336707182592
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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=40}, Take[CoefficientList[Series[Sin[x]*Cosh[Sin[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Nov 23 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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EXTENSIONS
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STATUS
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approved
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