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Number of non-associative non-commutative non-anti-associative anti-commutative closed binary operations on a set of order n.
9

%I #2 Jan 24 2006 03:00:00

%S 0,4,5826,764303896

%N Number of non-associative non-commutative non-anti-associative anti-commutative closed binary operations on a set of order n.

%C A079230(n)+A079232(n)+A079234(n)+A079236(n)+A079195(n)+A079240(n)+A079242(n)+A079244(n)+A063524(n)=A002489(n)

%C Each a(n) is equal to the sum of the products of each element in row n of A079203 and the corresponding element of A079210.

%Y Cf. A079203, A079233, A079230, A079234, A079236, A079195, A079240, A079242, A079244, A063524.

%K nonn

%O 1,2

%A Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003