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A024267
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Expansion of sin(tan(x)*sinh(x))/2.
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0
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0, 1, 6, 11, -3444, -332459, -29987694, -2859070369, -273662362344, -19246624581719, 2275560110751006, 2059358886894880691, 971880309496843009956, 421133305062417496939261, 183502876193773880905851306
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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=30}, Take[CoefficientList[Series[Sin[Tan[x]*Sinh[x]]/2, {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Jul 09 2017 *)
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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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Extended with signs Mar 1997
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STATUS
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approved
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