Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
A283384
Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
Terms
- a(0) =0a(1) =399a(2) =34531a(3) =1592250a(4) =71707838a(5) =3007934404a(6) =120672330232
External references
- oeis: A283384