This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A271170 #19 Sep 02 2018 04:03:53 %S A271170 0,2,0,6,5,6,3,5,4,1,3,5,5,5,2,0,7,8,9,2,2,1,9,4,7,5,1,9,8,8,1,9,1,6, %T A271170 2,0,6,7,3,4,4,2,2,1,7,5,2,0,0,7,3,2,8,4,8,3,7,2,2,4,8,0,1,0,0,1,1,0, %U A271170 2,2,7,9,7,7,5,7,0,1,8,4,7,3,6,3,8,7,2,8,8,1,6,4,8,6,0,3 %N A271170 Decimal expansion of the logarithm of the generalized Glaisher-Kinkelin constant A(3) (negated). %C A271170 The logarithm of the third Bendersky constant. %H A271170 G. C. Greubel, <a href="/A271170/b271170.txt">Table of n, a(n) for n = 0..2000</a> %F A271170 Equals (Bernoulli(4)/4)*(EulerGamma + log(2*Pi) - (Zeta'(4)/Zeta(4))). %F A271170 log(A(3)) = HarmonicNumber(3)*Bernoulli(4)/4 - Zeta'(-3). %e A271170 -0.02065635413555207892219475198819162067344221752007... %t A271170 Join[{0}, RealDigits[(BernoulliB[4]/4)*(EulerGamma + Log[2*Pi] - Zeta'[4]/Zeta[4]), 10, 100] // First] %Y A271170 log(A(b)): A225746 (b=1), (-1) * A240966 (b=2). %Y A271170 Cf. A243263, A259068. %K A271170 nonn,cons %O A271170 0,2 %A A271170 _G. C. Greubel_, Apr 01 2016