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