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 A256924 #20 Oct 12 2024 14:21:26
%S A256924 7,9,8,1,5,6,2,9,5,5,6,9,4,2,7,5,1,9,4,3,4,8,1,1,2,9,0,6,2,3,9,7,0,4,
%T A256924 2,7,6,0,9,5,4,4,7,4,5,7,3,5,1,8,3,9,4,4,4,5,3,2,8,3,0,6,6,7,2,5,4,4,
%U A256924 0,9,5,8,8,9,9,9,7,8,7,2,1,9,8,0,6,9,1,6,0,6,7,7,7,2,8,0,3,6,3,9,3,1,0,0,9
%N A256924 Decimal expansion of log(Pi/sqrt(2)).
%C A256924 Previous name, "Decimal expansion of Sum_{k>=1} (zeta(2k)/k)*(2/3)^(2k)", was wrong. See A377008 for the correct sequence with this name. - _Amiram Eldar_, Oct 12 2024
%F A256924 Equals log(A247719).
%e A256924 0.798156295569427519434811290623970427609544745735183944453283...
%t A256924 RealDigits[Log[Pi/Sqrt[2]], 10, 105] // First
%o A256924 (PARI) log(Pi/sqrt(2))
%Y A256924 Cf. A247719, A377008.
%K A256924 nonn,cons,easy
%O A256924 0,1
%A A256924 _Jean-François Alcover_, Apr 13 2015
%E A256924 Name corrected by _Amiram Eldar_, Oct 12 2024