Number of nXn 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A317691
Number of nXn 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =14a(3) =141a(4) =6984a(5) =585418a(6) =526480617
External references
- oeis: A317691