Number of n X n 0..1 arrays with every element unequal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A317452
Number of n X n 0..1 arrays with every element unequal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =17a(3) =72a(4) =4364a(5) =165890a(6) =14872138a(7) =5301169782
External references
- oeis: A317452