Number of nX6 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself.
A196542
Number of nX6 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself.
Terms
- a(0) =35a(1) =17967a(2) =1231014a(3) =492164626a(4) =134252759220
External references
- oeis: A196542