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A272109
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Denominators of coefficients of the series of sqrt(-log(1-q)/q).
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2
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1, 4, 96, 384, 92160, 40960, 61931520, 49545216, 16986931200, 475634073600, 125567395430400, 7972533043200, 3656522554933248000, 195014536263106560, 70205233054718361600, 280820932218873446400, 4582997613812014645248000, 26453088680011628544000
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OFFSET
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0,2
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COMMENTS
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The function sqrt(-log(1-q)/q) is associated with the generating function of connected graphs enumeration
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LINKS
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MAPLE
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gf := sqrt(-log(1-q)/q) ;
taylor(%, q=0, 18) ;
gfun[seriestolist](%) ;
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MATHEMATICA
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s = Sqrt[Log[1/(1 - q)]/q] + O[q]^20; CoefficientList[s, q] // Denominator
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PROG
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(PARI) Vec(apply(denominator, sqrt(-log(1-'q)/'q))) \\ M. F. Hasler, Mar 16 2018
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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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EXTENSIONS
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STATUS
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approved
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