Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.
A298281
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =70a(3) =649a(4) =8264a(5) =121368a(6) =2195114a(7) =55665676a(8) =2065512284a(9) =105764508137
External references
- oeis: A298281