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 A052447 #49 Feb 16 2025 08:32:42 %S A052447 0,0,1,2,8,41,352,4820,113256,4602039,325754696,40348545658 %N A052447 Number of simple unlabeled n-node graphs of edge-connectivity 2. %H A052447 Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a> %H A052447 T. Hoppe and A. 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 A052447 Jens M. Schmidt, <a href="https://www3.tuhh.de/e11/schmidt/CombinatorialData/GraphData.html">Combinatorial data</a>. %H A052447 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/k-Edge-ConnectedGraph.html">k-Edge-Connected Graph.</a> %Y A052447 Column k=2 of A263296. %Y A052447 Cf. other unlabeled edge-connectivity graph sequences A052446, A052448, A241703, A241704, A241705. %K A052447 nonn,hard,more %O A052447 1,4 %A A052447 _Eric W. Weisstein_, May 08 2000 %E A052447 a(8)-a(10) from the Encyclopedia of Finite Graphs by _Travis Hoppe_ and _Anna Petrone_, Apr 22 2014 %E A052447 a(11) by _Jens M. Schmidt_, Feb 18 2019 %E A052447 a(12) from _Jens M. Schmidt_'s web page, Jan 10 2021