Number of nXn 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
A305948
Number of nXn 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =23a(3) =959a(4) =126733a(5) =52618569a(6) =64233268442
External references
- oeis: A305948