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 A046526 #4 Oct 15 2013 22:30:20 %S A046526 1,2,8,9,12,18,24,36,40,56,60,72,80,84,96,108,132,180,240,252,288,360, %T A046526 480,504,720,1260 %N A046526 Numbers common to A033950 and A035033. %Y A046526 Cf. A035033, A036763, A046525. %K A046526 nonn,fini,full %O A046526 1,2 %A A046526 _Labos Elemer_