Number of n X n 0..1 arrays with every one equal to some NW, E or S neighbor.
A202899
Number of n X n 0..1 arrays with every one equal to some NW, E or S neighbor.
Terms
- a(0) =1a(1) =4a(2) =93a(3) =4892a(4) =993219a(5) =734614472
External references
- oeis: A202899