Number of isomorphism classes of non-anti-commutative closed binary operations on a set of order n, listed by class size.
A079188
Number of isomorphism classes of non-anti-commutative closed binary operations on a set of order n, listed by class size.
Terms
- a(0) =0a(1) =0a(2) =4a(3) =1a(4) =4a(5) =44a(6) =2285a(7) =0a(8) =0a(9) =0a(10) =24a(11) =64a(12) =212a(13) =35240a(14) =147088764
External references
- oeis: A079188