Number of nX5 0..3 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors.
A203843
Number of nX5 0..3 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors.
Terms
- a(0) =1a(1) =184a(2) =28744a(3) =2507842a(4) =215340781a(5) =19914461784
External references
- oeis: A203843