Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.

A283343

Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.

Terms

    a(0) =0a(1) =26a(2) =572a(3) =7804a(4) =106310a(5) =1354928a(6) =16714556a(7) =201420678a(8) =2383832160a(9) =27824093298a(10) =321172238658

External references