Number of n X n 0..1 arrays with every element unequal to 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
A304761
Number of n X n 0..1 arrays with every element unequal to 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =16a(3) =1321a(4) =316639a(5) =292676592a(6) =969267512820
External references
- oeis: A304761