Number of nX3 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
A203272
Number of nX3 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
Terms
- a(0) =1a(1) =861a(2) =107968a(3) =7849844a(4) =525063657a(5) =38204132307
External references
- oeis: A203272