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A024225
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Expansion of tan(sin(x))*x/2.
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1
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0, 1, 2, -9, -428, -5475, 251382, 21193459, 276227560, -106494482439, -11901572968150, 248514536608943, 277290379883298492, 34240556133396062229, -5078626013008010061410
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OFFSET
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0,3
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LINKS
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FORMULA
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MATHEMATICA
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nn = 30; t = Range[0, nn]! CoefficientList[Series[Tan[Sin[x]]*x/2, {x, 0, nn}], x]; Take[t, {1, nn, 2}] (* T. D. Noe, Nov 08 2012 *)
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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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