Number of n X n 0..1 arrays with every element equal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
A298835
Number of n X n 0..1 arrays with every element equal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =9a(3) =110a(4) =18075a(5) =5918418a(6) =7844725524
External references
- oeis: A298835