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 A058378 #25 Aug 23 2025 10:03:57 %S A058378 0,1,1,3,8,29,114,583,3310,21168,144622,1039495,7731540 %N A058378 Number of trivalent 2-connected planar graphs with 2n nodes. %D A058378 A. T. Balaban, Enumeration of Cyclic Graphs, pp. 63-105 of A. T. Balaban, ed., Chemical Applications of Graph Theory, Ac. Press, 1976; see p. 92. %D A058378 Computed by _Brendan McKay_ and _Gunnar Brinkmann_ using their program "plantri", Dec 19 2000. %H A058378 Gunnar Brinkmann and Brendan McKay, <a href="http://users.cecs.anu.edu.au/~bdm/plantri/">plantri and fullgen</a> programs for generation of certain types of planar graph. %H A058378 Gunnar Brinkmann and Brendan McKay, <a href="/A000103/a000103_1.pdf">plantri and fullgen</a> programs for generation of certain types of planar graph [Cached copy, pdf file only, no active links, with permission] %H A058378 Gunnar Brinkmann and Brendan McKay, <a href="/A007021/a007021.txt">Guide to using plantri</a> [Cached copy, with permission] %H A058378 M. Meringer, <a href="http://www.mathe2.uni-bayreuth.de/markus/reggraphs.html">Tables of Regular Graphs</a> %Y A058378 Cf. A005964, A000109, A387146. %K A058378 nonn,nice,more,hard,changed %O A058378 1,4 %A A058378 _N. J. A. Sloane_, Dec 19 2000