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 A119277 #10 Feb 16 2025 08:33:01 %S A119277 8,3,2,3,6,7,2,3,6,9,0,5,3,1,6,4,2,4,8,4,9,0,9,5,4,4,6,2,7,6,1,0,4,4, %T A119277 8,7,3,7,8,4,4,4,1,5,1,0,1,2,2,5,1,1,7,8,8,0,1,8,1,5,5,3,7,7,9,0,6,5, %U A119277 1,1,4,9,0,6,1,7,2,1,2,9,9,2,1,0,5,7,4,9,6,7,3,2,5,0,7,2,8,4,8,9,6,6,2,1,7 %N A119277 Decimal expansion of Feigenbaum b constant. %H A119277 Simon Plouffe, <a href="http://www.plouffe.fr/simon/gendev/832367.html">Generalized expansions of real numbers</a>, 2006 %H A119277 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/FeigenbaumConstant.html">Feigenbaum Constant</a> %e A119277 0.83236723690531642484... %Y A119277 Cf. A119278, A119279, A119280. %K A119277 nonn,cons %O A119277 0,1 %A A119277 _Eric W. Weisstein_, May 12 2006