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 A080060 #1 May 16 2003 03:00:00 %S A080060 3,6,9,13,17,23,29,36,43,50,59,60,79,90,101,112,123,138 %N A080060 Erroneous version of A004137 given in the reference. %D A080060 J.-C. Bermond, Graceful graphs, radio antennae and French windmills, pp. 18-37 of R. J. Wilson, editor, Graph Theory and Combinatorics. Pitman, London, 1978. %K A080060 dead %O A080060 3,1