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 A288987 #5 Feb 16 2025 08:33:48 %S A288987 1,3,15,243,64687 %N A288987 Number of connected dominating sets in the n-halved cube graph. %H A288987 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedDominatingSet.html">Connected Dominating Set</a> %H A288987 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HalvedCubeGraph.html">Halved Cube Graph</a> %K A288987 nonn,more %O A288987 1,2 %A A288987 _Eric W. Weisstein_, Jun 20 2017