Number of n X n 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
A304003
Number of n X n 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =26a(4) =137a(5) =538a(6) =4224a(7) =30468a(8) =264104a(9) =2993696a(10) =40315467
External references
- oeis: A304003