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 A024607 #39 Feb 16 2025 08:32:34 %S A024607 1,1,1,3,6,19,59,267,1380,9832,90842,1144061,19425052,445781050, %T A024607 13743625184,566756900370,31125101479652 %N A024607 Number of connected triangle-free graphs on n unlabeled nodes. %H A024607 P. J. Cameron, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL3/groups.html">Sequences realized by oligomorphic permutation groups</a>, J. Integ. Seqs. Vol. 3 (2000), #00.1.5. %H A024607 CombOS - Combinatorial Object Server, <a href="http://combos.org/nauty">Generate graphs</a> %H A024607 Satvik Singh, <a href="https://arxiv.org/abs/2010.11891">Can entanglement hide behind triangle-free graphs?</a>, arXiv:2010.11891 [quant-ph], 2020. %H A024607 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedGraph.html">Connected Graph</a> %H A024607 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Triangle-FreeGraph.html">Triangle-Free Graph</a> %Y A024607 Inverse Euler transform of A006785. %Y A024607 Table of graphs on n nodes with clique number k is A126744. %Y A024607 Column k=1 of A283417. %K A024607 hard,more,nonn,nice %O A024607 1,4 %A A024607 _Peter J. Cameron_ %E A024607 2 more terms from _Vladeta Jovovic_, May 17 2008 %E A024607 2 more terms from A006785 by _Martin Fuller_, May 01 2015