Number of nX3 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself.
A196539
Number of nX3 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself.
Terms
- a(0) =2a(1) =56a(2) =555a(3) =11200a(4) =112723a(5) =1231014a(6) =18047775a(7) =249080912a(8) =3224160693a(9) =42170084169a(10) =562089504718
External references
- oeis: A196539