Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

A316577

Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =7a(2) =63a(3) =2477a(4) =130212a(5) =15492767a(6) =4227286531

External references