Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its diagonal and antidiagonal neighbors by one or two.
A265477
Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its diagonal and antidiagonal neighbors by one or two.
Terms
- a(0) =125a(1) =4900a(2) =498520a(3) =128323584a(4) =4131348480
External references
- oeis: A265477