Number of n X 5 0..7 arrays with values 0..7 introduced in row major order and no element equal to any horizontal or vertical neighbor.
A198911
Number of n X 5 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) =15a(1) =10867a(2) =54381563a(3) =481871809749
External references
- oeis: A198911