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 A362150 #16 May 13 2023 13:55:19 %S A362150 3,9,7,9,2,2,6,8,1,1,8,8,3,1,6,6,4,4,0,7,6,7,0,7,1,6,1,1,4,2,6,5,4,9, %T A362150 8,2,3,0,9,8 %N A362150 Decimal expansion of lambda, a constant arising in the analysis of the binary Euclidean algorithm. %C A362150 See Brent (1999), p. 12, and Morris (2016), p. 79, where this constant is called zeta(1). %C A362150 See A362149 for additional comments, references and links. %H A362150 Richard P. Brent, <a href="https://doi.org/10.48550/arXiv.1303.2772">Further analysis of the binary Euclidean algorithm</a>, arXiv:1303.2772 [cs.DS], 1999, p. 12. %H A362150 Ian D. Morris, <a href="https://doi.org/10.1016/j.aim.2015.12.008">A rigorous version of R. P. Brent's model for the binary Euclidean algorithm</a>, Advances in Mathematics, Vol. 290, 26 Feb. 2016, p. 79. %F A362150 Equals (4*log(2)/Pi^2)/A362149 = 4*A118858/A362149. %e A362150 0.3979226811883166440767071611426549823098... %Y A362150 Cf. A118858, A345987, A362149. %K A362150 nonn,cons,hard,more %O A362150 0,1 %A A362150 _Paolo Xausa_, Apr 09 2023