Number of nX7 0..3 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
A203396
Number of nX7 0..3 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
Terms
- a(0) =1a(1) =661595a(2) =4711784187
External references
- oeis: A203396