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 A339529 #6 Dec 08 2020 06:20:17 %S A339529 0,1,7,5,9,3,0,2,6,3,8,5,3,2,1,5,7,6,2,1,3,7,5,6,6,0,4,4,9,7,9,5,5,2, %T A339529 0,0,2,0,6,5,0,4,3,4,9,4,8,0,7,4,7,0,9,4,9,7,3,2,4,6,9,3,0,1,6,4,3,3, %U A339529 2,4,3,7,4,9,8,3,2,0,9,0,1,8,6,7,6,0,6,4,4,1,8,8,0,4,7,5,9,9,5,2,1,2,0,4,3 %N A339529 Decimal expansion of Sum_{k>=1} (zeta(6*k)-1). %F A339529 Equals Sum_{k>=2} 1/(k^6 - 1). %F A339529 Equals 11/12 - Pi*tanh(sqrt(3)*Pi/2)/(2*sqrt(3)). %e A339529 0.017593026385321576213756604497955200206504349480747094973246930164332437... %t A339529 Join[{0}, RealDigits[11/12 - Pi*Tanh[Sqrt[3]*Pi/2]/(2*Sqrt[3]), 10, 100][[1]]] %Y A339529 Cf. A024004, A256919, A339530. %K A339529 nonn,cons %O A339529 0,3 %A A339529 _Vaclav Kotesovec_, Dec 08 2020