Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
A282968
Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
Terms
- a(0) =13a(1) =1062a(2) =70722a(3) =3128641a(4) =124683166a(5) =4646063540a(6) =163712015523
External references
- oeis: A282968