Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

A300938

Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =3a(2) =5a(3) =38a(4) =248a(5) =3873a(6) =99717a(7) =5562548a(8) =556497081a(9) =107105438462

External references