Number of nXn 0..1 arrays with every element unequal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

A305446

Number of nXn 0..1 arrays with every element unequal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =3a(2) =7a(3) =26a(4) =1275a(5) =5443a(6) =222961a(7) =10709608a(8) =362139243a(9) =59746224393

External references