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 A290758 #13 Feb 16 2025 08:33:50 %S A290758 1,3,13,167,37293,2524817935 %N A290758 Number of (non-null) connected induced subgraphs in the n-hypercube graph Q_n. %H A290758 Stijn Cambie, Jan Goedgebeur, and Jorik Jooken, <a href="https://arxiv.org/abs/2311.00075">The maximum number of connected sets in regular graphs</a>, arXiv:2311.00075 [math.CO], 2023. %H A290758 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedGraph.html">Connected Graph</a> %H A290758 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HypercubeGraph.html">Hypercube Graph</a> %H A290758 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Vertex-InducedSubgraph.html">Vertex-Induced Subgraph</a> %K A290758 nonn,more %O A290758 0,2 %A A290758 _Eric W. Weisstein_, Aug 09 2017 %E A290758 a(5) from _Andrew Howroyd_, Aug 15 2017