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A013570
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Numerator of [x^n] of the Taylor series log(arctan(x)/log(x+1))= x/2-13*x^2/24 +x^3/8 +11*x^4/192 +19*x^5/288 -10243*x^6/72576 +...
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1, -13, 1, 11, 19, -10243, 751, 49873, 2857, -72752269, 434293, 1524997, 8181904909, -454156185199, 5044289, 23214243090113, 5026792806787, -2652186577877894731, 69028763155644023
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| The inner function is arctan(x)/log(x+1) = 1 +x/2 -5*x^2/12 -x^3/8 +29*x^4/144 +151*x^5/1440 -9979*x^6/60480 -...
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CROSSREFS
| Sequence in context: A185409 A010235 A196381 * A010236 A058018 A037283
Adjacent sequences: A013567 A013568 A013569 * A013571 A013572 A013573
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KEYWORD
| sign,frac
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AUTHOR
| Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
| Values replaced by numerators. - R. J. Mathar, Dec 22 2011
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