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 A030245 #9 Mar 30 2012 17:37:00 %S A030245 1,1,6,3237,178932325 %N A030245 Number of nonisomorphic groupoids with no symmetry. %H A030245 <a href="/index/Gre#groupoids">Index entries for sequences related to groupoids</a> %Y A030245 a(n) = A079171(n, A027423(n)). Cf. A001329. %K A030245 nonn,more %O A030245 0,3 %A A030245 _Christian G. Bower_