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A013057
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sin(sinh(x)+arctan(x))=2*x-9/3!*x^3+97/5!*x^5-3647/7!*x^7...
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0
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2, -9, 97, -3647, 232345, -22882827, 3272680621, -637916495327, 162606798592913, -52505736635681875, 20944212007429454773, -10113746586163575672327, 5814258990406275572824793
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[Sin[Sinh[x]+ArcTan[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, May 18 2020 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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STATUS
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approved
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