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 A292707 #12 May 18 2025 02:55:59 %S A292707 47,3481623075352, %T A292707 108371550017154665073960386938722505444835629724912474911548058048469113486615457331929220616362568 %N A292707 Number of independent vertex sets and vertex covers in the n-Sierpinski carpet graph. %H A292707 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IndependentVertexSet.html">Independent Vertex Set</a> %H A292707 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SierpinskiCarpetGraph.html">Sierpinski Carpet Graph</a> %H A292707 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/VertexCover.html">Vertex Cover</a> %K A292707 nonn,bref %O A292707 1,1 %A A292707 _Eric W. Weisstein_, Sep 21 2017 %E A292707 a(3) from _Christian Sievers_, May 17 2025