Number of nX7 0..n+7-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.
A265457
Number of nX7 0..n+7-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.
Terms
- a(0) =9358a(1) =5710302a(2) =4148236142
External references
- oeis: A265457