Number of 5Xn 0..5+n-2 arrays with upper left zero and lower right 5+n-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.
A265470
Number of 5Xn 0..5+n-2 arrays with upper left zero and lower right 5+n-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.
Terms
- a(0) =125a(1) =2764a(2) =290140a(3) =22533687a(4) =2002867877a(5) =176223025171
External references
- oeis: A265470