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

A317224

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

Terms

    a(0) =1a(1) =8a(2) =46a(3) =490a(4) =17039a(5) =929233a(6) =98315821a(7) =35202633059

External references