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 A241770 #17 Feb 26 2025 02:39:42 %S A241770 0,0,0,0,0,1,7,60,527,6056 %N A241770 Number of simple connected graphs with n nodes and exactly 4 articulation points (cutpoints). %H A241770 Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a> %H A241770 Travis Hoppe and Anna Petrone, <a href="http://arxiv.org/abs/1408.3644">Integer sequence discovery from small graphs</a>, arXiv preprint arXiv:1408.3644 [math.CO], 2014. %H A241770 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ArticulationVertex.html">Articulation Vertex</a> %Y A241770 Column k=4 of A325111. %Y A241770 Cf. other simple connected graph sequences with k articulation points A002218, A241767, A241768, A241769, A241770, A241771. %K A241770 nonn,hard,more %O A241770 1,7 %A A241770 _Travis Hoppe_ and _Anna Petrone_, Apr 28 2014