Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A317430
Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =7a(2) =61a(3) =1140a(4) =67214a(5) =8362442a(6) =2326497716
External references
- oeis: A317430