Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
A283570
Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
Terms
- a(0) =12a(1) =908a(2) =21186a(3) =509952a(4) =10919674a(5) =226897932a(6) =4558585174a(7) =89724600000
External references
- oeis: A283570