Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A317511
Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =255a(3) =32256a(4) =16198017a(5) =32289056648
External references
- oeis: A317511