18153720domain: NAppears in sequencesArray read by antidiagonals: T(n,m) is the number of Hamiltonian cycles in the rook graph K_n X K_m.at n=30A269562Array read by antidiagonals: T(n,m) is the number of Hamiltonian cycles in the rook graph K_n X K_m.at n=33A269562Number of Hamiltonian cycles in the 3 X n rook graph.at n=5A341498