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 A330566 #11 Jul 09 2025 04:50:18 %S A330566 1,3,11,8,18,10,18,8,11,3,1 %N A330566 Coordination sequence for 1-skeleton of rhombic enneacontahedron with respect to a trivalent node. %C A330566 Computed by _Fred Lunnon_. %D A330566 George W. Hart, "A Color-Matching Dissection of the Rhombic Enneacontahedron", Symmetry: Culture and Science, vol. 11, 2000, pp. 183-199. %H A330566 George W. Hart, <a href="http://www.georgehart.com/dissect-re/dissect-re.htm">A Color-Matching Dissection of the Rhombic Enneacontahedron</a> %H A330566 Wikipedia, <a href="https://en.wikipedia.org/wiki/Rhombic_enneacontahedron">Rhombic Enneacontahedron</a> %H A330566 <a href="/index/Con#coordination_sequences">Index entries for coordination sequences</a> %Y A330566 Cf. A330567, A330568. %Y A330566 See also A329500, A330555, A330564. %K A330566 nonn,fini,full %O A330566 0,2 %A A330566 _N. J. A. Sloane_, Jan 06 2020