Number of n X n 0..3 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it.
A209040
Number of n X n 0..3 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it.
Terms
- a(0) =4a(1) =124a(2) =47700a(3) =225262148
External references
- oeis: A209040