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 A291704 #8 Feb 16 2025 08:33:51 %S A291704 1,3,9,115,28853,1920678791 %N A291704 Number of connected dominating sets in the n-hypercube graph. %H A291704 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedDominatingSet.html">Connected Dominating Set</a> %H A291704 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HypercubeGraph.html">Hypercube Graph</a> %Y A291704 Cf. A284704, A290758. %K A291704 nonn,more %O A291704 0,2 %A A291704 _Eric W. Weisstein_, Aug 30 2017 %E A291704 a(5) from _Andrew Howroyd_, Sep 04 2017