Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
A299355
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =70a(3) =649a(4) =8269a(5) =121386a(6) =2195326a(7) =55671460a(8) =2065637548a(9) =105768593369
External references
- oeis: A299355