Number of nXn 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A306130
Number of nXn 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =498a(4) =31843a(5) =3176303a(6) =1284005626
External references
- oeis: A306130