Number of n X n 0..1 arrays with every element unequal to 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
A304895
Number of n X n 0..1 arrays with every element unequal to 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =7a(2) =62a(3) =2373a(4) =107723a(5) =11067544a(6) =2256313057a(7) =816589152784
External references
- oeis: A304895