Number of n X n 0..1 arrays with every element equal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

A298713

Number of n X n 0..1 arrays with every element equal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =1a(2) =4a(3) =59a(4) =3508a(5) =563977a(6) =193439202a(7) =177476979652

External references