Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A317598
Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =100a(3) =3047a(4) =218043a(5) =40015089a(6) =18167894481
External references
- oeis: A317598