Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.
A305334
Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =12a(3) =81a(4) =1185a(5) =30826a(6) =1321695a(7) =98008416a(8) =12373093291
External references
- oeis: A305334