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%I #6 Jul 10 2011 18:42:30
%S 1,2,52,421560
%N Number of anti-associative closed binary operations on a set of order n.
%C A079176(n)+A079179(n)=A002489(n).
%C Each a(n) is equal to the sum of the products of each element in row n of A079181 and the corresponding element of A079210.
%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, A079180, A079181.
%K nonn
%O 1,2
%A Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003
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