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 A079177 #6 Jul 10 2011 18:42:30 %S A079177 0,8,3320,178964172 %N A079177 Number of isomorphism classes of non-anti-associative closed binary operations on a set of order n. %C A079177 A079177(n)+A079180(n)=A001329(n). %C A079177 Each a(n) is equal to the sum of the elements in row n of A079178. %H A079177 C. van den Bosch, <a href="http://cosmos.ucc.ie/~cjvdb1/html/binops.shtml">Closed binary operations on small sets</a> %H A079177 <a href="/index/Gre#groupoids">Index entries for sequences related to groupoids</a> %Y A079177 Cf. A079176, A079178, A079180. %K A079177 nonn %O A079177 1,2 %A A079177 Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003