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A013401
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arctan(arcsin(x)-tan(x)) = -1/3!*x^3 - 7/5!*x^5 - 47/7!*x^7 + 3649/9!*x^9...
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0
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-1, -7, -47, 3649, 603913, 90832337, 16338507729, 3707053126657, 1069079235975961, 387242954208151825, 172585239298528416545, 92608073317490225768001, 58719694732194364215549993
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OFFSET
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4,2
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LINKS
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MATHEMATICA
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With[{nn=30}, Take[CoefficientList[Series[ArcTan[ArcSin[x]-Tan[x]], {x, 0, nn}], x] Range[0, nn-1]!, {4, -1, 2}]] (* Harvey P. Dale, Feb 07 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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STATUS
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approved
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