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 A277205 #17 Oct 27 2016 07:49:13 %S A277205 0,0,0,0,1,10,81,907,16111 %N A277205 Number of chromatic symmetric functions realizable by exactly 2 graphs on n vertices. %Y A277205 Cf. A277203, A277204. %K A277205 nonn,more %O A277205 1,6 %A A277205 _Sam Heil_ and _Caleb Ji_, Oct 04 2016