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 A199676 #33 Jan 12 2021 06:23:02 %S A199676 1,1,3,5,18,57,285,1513,9824,69536,540622,4494676 %N A199676 Number of minimally 3-connected non-isomorphic graphs on n vertices. %H A199676 J. P. Costalonga, R. J. Kingan, and S. R. Kingan, <a href="https://arxiv.org/abs/2012.12059">Constructing minimally 3-connected graphs</a>, arXiv:2012.12059 [math.CO], 2020-2021; Algorithms 14, no. 1: 9. %H A199676 Jens M. Schmidt, <a href="https://www3.tuhh.de/e11/schmidt/CombinatorialData/GraphData.html">Combinatorial data</a>. %H A199676 David Kofoed Wind, <a href="/A006290/a006290.pdf">Connected Graphs with Fewest Spanning Trees</a>, Bachelor Thesis, Spring 2011. %Y A199676 Cf. A006290, A204198, A324418, A338511. %K A199676 nonn,hard,more %O A199676 4,3 %A A199676 _N. J. A. Sloane_, Nov 09 2011 %E A199676 a(12) given by _Jens M. Schmidt_, Feb 27 2019 %E A199676 a(13)-a(15) from _Jens M. Schmidt_'s web page, Jan 10 2021