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 A331070 #5 Jan 08 2020 21:17:21 %S A331070 1,5,10,10,15,20,10,10,10,1 %N A331070 Coordination sequence for pentavalent vertex in 1-skeleton of pentagonal hexecontahedron. %C A331070 Computed by Tom Karzes (see link). %H A331070 Tom Karzes, <a href="/A298808/a298808.html">Polyhedron Coordination Sequences</a> %Y A331070 Cf. A331068, A331069. %K A331070 nonn,fini,full %O A331070 0,2 %A A331070 _N. J. A. Sloane_, Jan 08 2020