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A114859
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Numerator/Pi^n of coefficient of z^(2n) in log(InverseErf(z)).
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2
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1, 1, 193, 143, 27319, 7103567, 797653, 686720159, 2371559272031, 95739689923, 1395350636248391, 63900308633475133, 529306891755787837, 12737935334233822633, 3609754387565898974963447737
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OFFSET
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1,3
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LINKS
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EXAMPLE
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(Pi*z^2)/12 + (Pi^2*z^4)/90 + (193*Pi^3*z^6)/90720 + log(sqrt(Pi)/2) + log(z) + ...
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MATHEMATICA
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Numerator[CoefficientList[Series[Log[InverseErf[x/Pi]] , {x, 0, 50}] , x]][[;; ;; 2]] (* G. C. Greubel, Mar 19 2017 *)
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CROSSREFS
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KEYWORD
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nonn,frac
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AUTHOR
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STATUS
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approved
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