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 A291165 #6 Feb 16 2025 08:33:50 %S A291165 2,4,8,10,16,32,34,36,40,42,64,128,130,136,138,160,162,168,170,256, %T A291165 260,288,292,512,514,520,522,528,544,546,552,554,640,642,648,650,672, %U A291165 674,680,682,1024,2048,2050,2052,2056,2058,2080,2082,2084,2088,2090,2176,2178,2184 %N A291165 Disconnected Haar graph numbers. %C A291165 Includes numbers of the form 2^n. %C A291165 Complement of A291166. %H A291165 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DisconnectedGraph.html">Disconnected Graph</a> %H A291165 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HaarGraph.html">Haar Graph</a> %Y A291165 Cf. A291166 (connected). %K A291165 nonn %O A291165 1,1 %A A291165 _Eric W. Weisstein_, Aug 19 2017