Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A317370

Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =7a(2) =91a(3) =4811a(4) =659721a(5) =205048072a(6) =185409601420

External references