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A012402
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arcsinh(arctan(x)*log(x+1)) = 2/2!*x^2 - 3/3!*x^3 - 10/5!*x^5 + 88/6!*x^6 - ...
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0
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2, -3, 0, -10, 88, 336, -5040, 5256, 202752, -2094840, 26943840, -534147120, 7877529840, -41350410360, -804692528640, 16885512006720, -166653340523520, 3621340758072960, -48704381263560960, -2035821123825148800, 99959690241598844160, -1979439236443512264960
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OFFSET
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2,1
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LINKS
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MATHEMATICA
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With[{nn=20}, Drop[CoefficientList[Series[ArcSinh[ArcTan[x]Log[x+1]], {x, 0, nn}], x] Range[0, nn]!, 2]] (* Harvey P. Dale, Nov 27 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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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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