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 A340484 #8 Jan 09 2021 17:11:41
%S A340484 2,0,6,7,0,2,8,7,5,1,8,3,8,6,5,0,6,7,1,4,2,0,1,8,4,7,8,2,7,0,5,3,8,1,
%T A340484 9,3,0,2,7,7,3,4,2,7,5,2,5,8,7,3,3,6,9,7,0,4,3,4,2,1,7,8,8,4,1,9,5,9,
%U A340484 9,7,9,7,9,5,6,1
%N A340484 Decimal expansion of Sum_{k>=2} (log k)^2/(k^2-1).
%F A340484 Equals Sum_{i>=1} Zeta''(2*i) = A201994 + A340443 + Sum_{i>=3} Zeta''(2*i).
%e A340484 2.0670287518386506714201847827053819302773427525873369704342178841959...
%o A340484 (PARI) sumpos(k=2, log(k)^2/(k^2-1)) \\ _Michel Marcus_, Jan 09 2021
%Y A340484 Cf. A340440, A340485.
%K A340484 nonn,cons
%O A340484 1,1
%A A340484 _R. J. Mathar_, Jan 09 2021