Number of (undirected) Hamiltonian paths in the torus grid graph C_n X C_n.

A268838

Number of (undirected) Hamiltonian paths in the torus grid graph C_n X C_n.

Terms

    a(0) =1a(1) =4a(2) =756a(3) =45696a(4) =2955700a(5) =560028096a(6) =126412047692

External references