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A012400
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Expansion of e.g.f.: cos(arctan(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-90/6!*x^6+420/7!*x^7...
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0
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1, 0, 0, 0, -12, 60, -90, 420, -11648, 88704, -118440, 1491600, -85167192, 865152288, 317981664, 19296033120, -2535023513088, 30778504850304, 126137259616320, 388230513819264, -214673614448387712
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OFFSET
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0,5
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LINKS
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MATHEMATICA
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With[{nn=20}, CoefficientList[Series[Cos[ArcTan[x]Log[x+1]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Nov 29 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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Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
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STATUS
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approved
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