171592domain: NAppears in sequencesNumber of (undirected) Hamiltonian paths on the n X n king graph.at n=3A308129Number of (undirected) Hamiltonian paths in the 4 X n king graph.at n=3A339762Array read by antidiagonals: T(m,n) is the number of (undirected) Hamiltonian paths in the m X n king graph.at n=24A350729