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 A330567 #6 Jan 06 2020 21:20:06 %S A330567 1,5,5,15,10,20,10,15,5,5,1 %N A330567 Coordination sequence for 1-skeleton of rhombic enneacontahedron with respect to a pentavalent node. %C A330567 Computed by _Fred Lunnon_. %D A330567 George W. Hart, "A Color-Matching Dissection of the Rhombic Enneacontahedron", Symmetry: Culture and Science, vol. 11, 2000, pp. 183-199. %H A330567 George W. Hart, <a href="http://www.georgehart.com/dissect-re/dissect-re.htm">A Color-Matching Dissection of the Rhombic Enneacontahedron</a> %H A330567 Wikipedia, <a href="https://en.wikipedia.org/wiki/Rhombic_enneacontahedron">Rhombic Enneacontahedron</a> %Y A330567 Cf. A330566, A330568. %Y A330567 See also A329500, A330555, A330564. %K A330567 nonn,fini,full %O A330567 0,2 %A A330567 _N. J. A. Sloane_, Jan 06 2020