32463802domain: NAppears in sequencesNumber of Hamiltonian circuits on 2n X 6 rectangle.at n=5A005390Number of Hamiltonian cycles in P_6 X P_n.at n=11A145401Number of Hamiltonian cycles in P_12 X P_n.at n=5A213813Number of Hamiltonian cycles on an n X 2*n grid.at n=4A333864