Number of nX3 0..6 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
A203501
Number of nX3 0..6 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
Terms
- a(0) =1a(1) =1554a(2) =296814a(3) =31795165a(4) =3024812086a(5) =312327861320
External references
- oeis: A203501