Number of nX7 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
A284074
Number of nX7 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
Terms
- a(0) =0a(1) =858a(2) =300008a(3) =45973823a(4) =5950703039a(5) =690497721277
External references
- oeis: A284074