Number of directed Hamiltonian walks from NW to SW corners of a 9 X (2*n+1) grid.
A333605
Number of directed Hamiltonian walks from NW to SW corners of a 9 X (2*n+1) grid.
Terms
- a(0) =1a(1) =128a(2) =28002a(3) =7503654a(4) =2087813834a(5) =585874869236
External references
- oeis: A333605