Number of states with reflective symmetry arising in matrix method for enumerating Hamiltonian cycles on 2n X 2n grid.
A238117
Number of states with reflective symmetry arising in matrix method for enumerating Hamiltonian cycles on 2n X 2n grid.
Terms
- a(0) =1a(1) =4a(2) =14a(3) =40a(4) =120a(5) =320a(6) =946a(7) =2496a(8) =7418a(9) =19616
External references
- oeis: A238117