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

A300255

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

Terms

    a(0) =1a(1) =8a(2) =179a(3) =10363a(4) =1588195a(5) =618957455a(6) =620657860617

External references