Number of nX6 0..6 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
A203504
Number of nX6 0..6 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
Terms
- a(0) =1a(1) =7959529a(2) =312327861320
External references
- oeis: A203504