21052080
domain: N
Appears in sequences
- Array read by antidiagonals: T(n,m) is the number of Hamiltonian cycles in the rook graph K_n X K_m.at n=37A269562
- Array read by antidiagonals: T(n,m) is the number of Hamiltonian cycles in the rook graph K_n X K_m.at n=43A269562
- Number of Hamiltonian cycles in the Cartesian product graph K_2 times K_n.at n=7A276356