364618672domain: NAppears in sequencesNumber of (undirected) Hamiltonian paths on the n X n king graph.at n=4A308129Number of (undirected) Hamiltonian paths in the 5 X n king graph.at n=4A339763Array read by antidiagonals: T(m,n) is the number of (undirected) Hamiltonian paths in the m X n king graph.at n=40A350729