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 A331063 #6 Jan 08 2020 20:24:57 %S A331063 1,3,9,6,9,3,1 %N A331063 Coordination sequence for trivalent vertex in 1-skeleton of rhombic triacontahedron. %C A331063 Computed by Tom Karzes (see link). %H A331063 Tom Karzes, <a href="/A298808/a298808.html">Polyhedron Coordination Sequences</a> %Y A331063 Cf. A331064. %K A331063 nonn,fini,full %O A331063 0,2 %A A331063 _N. J. A. Sloane_, Jan 08 2020