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 A331069 #7 Jan 08 2020 21:16:22 %S A331069 1,3,8,12,13,16,17,12,7,3 %N A331069 Coordination sequence for second kind of trivalent vertex in 1-skeleton of pentagonal hexecontahedron. %C A331069 Computed by Tom Karzes (see link). %H A331069 Tom Karzes, <a href="/A298808/a298808.html">Polyhedron Coordination Sequences</a> %Y A331069 Cf. A331068, A331070. %K A331069 nonn,fini,full %O A331069 0,2 %A A331069 _N. J. A. Sloane_, Jan 08 2020