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

A300036

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

Terms

    a(0) =0a(1) =4a(2) =113a(3) =5663a(4) =766231a(5) =281861630a(6) =262361247480

External references