472684

Appears in sequences

• Number of 7-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions.at n=30A187177
• Triangle read by rows: T(m,n) is the number of Hamiltonian cycles on m X n torus where each step goes north or east or northeast; 2 <= n <= m.at n=24A391478