%I
%S 0,2,2,3
%N Number of isomorphism classes of associative noncommutative nonantiassociative anticommutative closed binary operations on a set of order n.
%C A079231(n)+A079233(n)+A079235(n)+A079237(n)+A079196(n)+A079241(n)+A079243(n)+A079245(n)+A063524(n)=A002489(n)
%C Each a(n) is equal to the sum of the elements in row n of A079208.
%H <a href="/index/Se#semigroups">Index entries for sequences related to semigroups</a>
%Y Cf. A079208, A079242, A079231, A079233, A079235, A079237, A079196, A079241, A079245, A063524.
%K nonn,more
%O 1,2
%A Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003
