Number of n X 2 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.
A198717
Number of n X 2 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =4a(2) =34a(3) =499a(4) =10507a(5) =272410a(6) =7817980a(7) =234638905a(8) =7176366133a(9) =221220625936
External references
- oeis: A198717