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 A362543 #16 Feb 16 2025 08:34:05 %S A362543 1134,39651,5171088,2660896170,4613923014804 %N A362543 Number of chordless cycles of length >= 4 in the tetrahedral (Johnson) graph. %H A362543 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ChordlessCycle.html">Chordless Cycle</a> %H A362543 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/JohnsonGraph.html">Johnson Graph</a> %H A362543 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TetrahedralGraph.html">Tetrahedral Graph</a> %Y A362543 Cf. A297670, A362547. %K A362543 nonn,more %O A362543 6,1 %A A362543 _Eric W. Weisstein_, Apr 24 2023 %E A362543 a(9)-a(10) from _Pontus von Brömssen_, Apr 29 2023