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 A126857 #2 Mar 30 2012 18:54:34 %S A126857 6,12,30,42,120 %N A126857 Maximal number of vertices in an integral circulant graph of degree n or n+1. %D A126857 Nitin Saxena, Simone Severini and Igor Shparlinski, Parameters of Integral Circulant Graphs, Preprint, 2007. %K A126857 nonn %O A126857 2,1 %A A126857 _Simone Severini_, Mar 11 2007