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%I #20 Nov 05 2018 03:04:11
%S 6,3,8,9,4,2,2,3,0,8,8,8,3,7,2,6,0,5,2,2,0,9,7,2,8,6,3,5,2,9,0,1,9,3,
%T 4,7,3,3,7,9,2,0,4,8,5,3,5,7,1,2,9,7,7,0,2,6,9,3,0,7,0,2,4,4,1,8,6,3,
%U 4,2,3,0,5,1,1,7,4,8,4,3,0,2,2,4,0,6,4,8,2,1,4,6,6,9,4,6
%N Decimal expansion of the logarithm of the generalized Glaisher-Kinkelin constant A(19) (negated).
%C The logarithm of the nineteenth Bendersky constant.
%H G. C. Greubel, <a href="/A271179/b271179.txt">Table of n, a(n) for n = 2..2003</a>
%F log(A(19)) = (1/20)*HarmonicNumber(19)*Bernoulli(20) - RiemannZeta'(-19).
%F log(A(19)) = (Bernoulli(20)/20)*(EulerGamma + log(2*Pi) - Zeta'(20)/Zeta(20)).
%e -63.894223088837260522097286352901934733...
%t RealDigits[(BernoulliB[20]/20)*(EulerGamma + Log[2*Pi] - Zeta'[20]/Zeta[20]), 10, 100][[1]]
%Y Cf. A266566, A266274.
%K nonn,cons
%O 2,1
%A _G. C. Greubel_, Apr 01 2016