Number of nX5 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
A283519
Number of nX5 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
Terms
- a(0) =0a(1) =28a(2) =2763a(3) =113984a(4) =4069571a(5) =136572268a(6) =4331276717a(7) =132684847054
External references
- oeis: A283519