a(n) = number of acyclic orientations of the complete tripartite graph K_{n,n,n}.
A370961
a(n) = number of acyclic orientations of the complete tripartite graph K_{n,n,n}.
Terms
- a(0) =1a(1) =6a(2) =426a(3) =122190a(4) =90768378a(5) =138779942046
External references
- oeis: A370961