Number of n X n 0..7 arrays with values 0..7 introduced in row major order and no element equal to any horizontal or vertical neighbor.
A198907
Number of n X n 0..7 arrays with values 0..7 introduced in row major order and no element equal to any horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =4a(2) =2051a(3) =319608038
External references
- oeis: A198907