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 A343920 #7 May 04 2021 08:00:09 %S A343920 3,8,5,7,4,9,7,7,7,9,6,1,9,7,4,5,6,9,3,9,9,5,0,3,0,4,2,0,1,7,2,1,2,6, %T A343920 3,0,8,8,7,1,9,2,5,9,5,0,3,4,0,6,8,6,7,4,9,8,9,2,1,4,6,5,6,2,5,8,0,5, %U A343920 2,6,3 %N A343920 Decimal expansion of Sum_{k=4,6,8,...even} log(k)/(k^2-4) . %F A343920 Equals 3*log(2)/16 + A340440 / 4 = (3*A002162/4 + A340440)/4. %e A343920 0.385749... %o A343920 (PARI) sumpos(k=2, log(2*k)/(4*k^2-4)) \\ _Michel Marcus_, May 04 2021 %Y A343920 Cf. A340440. %K A343920 nonn,cons %O A343920 0,1 %A A343920 _R. J. Mathar_, May 04 2021