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 A343918 #11 May 04 2021 07:57:46
%S A343918 2,8,1,4,8,2,7,9,3,1,4,6,6,4,1,6,0,8,2,8,5,6,9,8,7,2,0,1,1,7,6,2,9,6,
%T A343918 6,1,6,5,2,0,3,1,2,6,2,4,0,5,7,3,1,1,7,7,9,6,4,8,2,5,1,7,8,1,6,0,5,8,
%U A343918 8,7,6,6,0,5,8,9,2,1,2,2,5,0,4,7,5,6,6
%N A343918 Decimal expansion of Sum_{k>=2} k*log(k)/(k^2-1)^2 .
%F A343918 Equals -Sum_{i>=1} i*Zeta'(2*i+1), weighted sum over first derivatives of Riemann-Zeta.
%e A343918 0.281482...
%o A343918 (PARI) sumpos(k=2, k*log(k)/(k^2-1)^2 ) \\ _Michel Marcus_, May 04 2021
%Y A343918 Cf. A340485.
%K A343918 nonn,cons
%O A343918 0,1
%A A343918 _R. J. Mathar_, May 04 2021