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 A078639 #10 Jan 17 2020 17:23:37 %S A078639 1,2,5,16,73,533,7303 %N A078639 Number of nonisomorphic graphic matroids (by rank or number of vertices). %C A078639 Could A002632 be an erroneous version of this sequence? %C A078639 The old entry with this sequence number was a duplicate of A057475. %K A078639 nonn,more %O A078639 1,2 %A A078639 _Gordon Royle_, Oct 06 2008