Number of nX4 0..2 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
A202984
Number of nX4 0..2 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
Terms
- a(0) =1a(1) =323a(2) =16854a(3) =595202a(4) =21925060a(5) =838636921a(6) =31806596079
External references
- oeis: A202984