Number of nXn 0..1 arrays with every element unequal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A316616

Number of nXn 0..1 arrays with every element unequal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =4a(2) =13a(3) =26a(4) =189a(5) =1916a(6) =20777a(7) =476965a(8) =16700783a(9) =822198814

External references