Number of n X n 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.
A198716
Number of n X n 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) =2027a(3) =173549032
External references
- oeis: A198716