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A013060
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arctan(sinh(x)+arctan(x))=2*x-17/3!*x^3+873/5!*x^5-110799/7!*x^7...
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2, -17, 873, -110799, 26183793, -9939372439, 5533091086937, -4246813468523599, 4298292149692645473, -5546746219608789662631, 8888791155284908218974601, -17318307957227833839826977823
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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MATHEMATICA
| With[{nn=30}, Take[CoefficientList[Series[ArcTan[Sinh[x]+ArcTan[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* From Harvey P. Dale, Nov 02 2011 *)
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CROSSREFS
| Sequence in context: A015189 A012944 A013099 * A012988 A058233 A062635
Adjacent sequences: A013057 A013058 A013059 * A013061 A013062 A013063
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KEYWORD
| sign
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AUTHOR
| Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)
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