Number of n X n 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward neighbors.

A208308

Number of n X n 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward neighbors.

Terms

    a(0) =1a(1) =6a(2) =78a(3) =2052a(4) =106488a(5) =10771434a(6) =2110085532a(7) =797446347192

External references