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 A377589 #6 Nov 03 2024 05:05:11
%S A377589 1,8,8,2,5,8,3,7,9,8,2,4,4,6,6,8,9,7,9,6,0,6,2,8,7,6,0,3,5,5,9,4,2,7,
%T A377589 4,4,9,0,3,8,4,1,9,0,2,7,8,2,6,0,8,9,3,1,7,6,6,1,4,7,3,4,1,3,0,2,6,2,
%U A377589 0,4,3,4,3,7,2,5,0,2,7,9,3,9,2,7,7,7,2,5,3,4,1,9,2,6,5,5,5,7,3,2
%N A377589 Decimal expansion of 9*zeta(3)/(2*Pi^2) - log(2) + 1/3.
%D A377589 Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 1.6.3, pp. 43-44.
%F A377589 Equals Sum_{k>=1} zeta(2*k)/((2*k + 3)*2^(2*k-1)) (see Finch).
%e A377589 0.18825837982446689796062876035594274490384190278...
%t A377589 RealDigits[9Zeta[3]/(2Pi^2)-Log[2]+1/3,10,100][[1]]
%Y A377589 Cf. A002117, A002162, A094642, A164102, A244009, A377588, A377592.
%K A377589 nonn,cons
%O A377589 0,2
%A A377589 _Stefano Spezia_, Nov 02 2024