Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
A299808
Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =12a(3) =476a(4) =11460a(5) =1881856a(6) =1009387819
External references
- oeis: A299808