Number of n X n 0..1 arrays with every element unequal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
A304059
Number of n X n 0..1 arrays with every element unequal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =14a(3) =661a(4) =79185a(5) =25507453a(6) =23106300531
External references
- oeis: A304059