Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
A305905
Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =35a(3) =396a(4) =15460a(5) =595490a(6) =42789430a(7) =7157370110
External references
- oeis: A305905