90768378

Appears in sequences

• Number of acyclic orientations of the Turán graph T(n,3).at n=12A266858
• a(n) = number of acyclic orientations of the complete tripartite graph K_{n,n,n}.at n=4A370961
• Number A(n,k) of acyclic orientations of the complete tripartite graph K_{n,n,k}; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=40A372254
• Number T(n,k,j) of acyclic orientations of the complete tripartite graph K_{n,k,j}; triangle of triangles T(n,k,j), n>=0, k=0..n, j=0..k, read by rows.at n=34A372261
• Number A(n,k) of acyclic orientations of the Turán graph T(k*n,n); square array A(n,k), n>=0, k>=1, read by antidiagonals.at n=31A372326