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 A058176 #6 Mar 30 2012 17:37:12 %S A058176 1,0,1,0,1,0,0,0,0,0,5,7,3,1,0,417,559,264,59,4,0,367517,467480, %T A058176 227168,57213,7712,524,14 %N A058176 Triangle: Number of asymmetric quasigroups of order n with k idempotents. %H A058176 <a href="/index/Qua#quasigroups">Index entries for sequences related to quasigroups</a> %e A058176 1; 0,1; 0,1,0; 0,0,0,0; 5,7,3,1,0; ... %Y A058176 Row sums give A057994. %K A058176 nonn,tabl,more %O A058176 0,11 %A A058176 _Christian G. Bower_, Nov 20 2000