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 A331053 #4 Jan 08 2020 15:38:18 %S A331053 1,5,9,12,12,11,7,3 %N A331053 Coordination sequence for snub dodecahedron. %C A331053 Computed by Tom Karzes (see link). %H A331053 Tom Karzes, <a href="/A298808/a298808.html">Polyhedron Coordination Sequences</a> %K A331053 nonn,fini,full %O A331053 0,2 %A A331053 _N. J. A. Sloane_, Jan 08 2020