Number of nX5 0..n+5-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.
A265455
Number of nX5 0..n+5-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.
Terms
- a(0) =360a(1) =42282a(2) =6056182a(3) =871209026a(4) =122895678174
External references
- oeis: A265455