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A012744
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sinh(arctanh(x)*cos(x))=x+504/7!*x^7+24384/9!*x^9+2375296/11!*x^11...
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1, 0, 0, 504, 24384, 2375296, 338479232, 64501554688, 16130341302272, 5112670099460096, 2003580047549120512, 951418445045046378496, 538352433444301745848320, 357916525207050277213175808
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OFFSET
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0,4
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LINKS
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[Sinh[ArcTanh[x]Cos[x]], {x, 0, nn}], x]Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Nov 20 2011 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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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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