Number of n X n 0..1 arrays with every element unequal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
A305083
Number of n X n 0..1 arrays with every element unequal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =7a(2) =22a(3) =91a(4) =3384a(5) =101803a(6) =630306a(7) =219093711a(8) =154688671720
External references
- oeis: A305083