Number of n X n 1..2 arrays with every element value z a city block distance of exactly z from another element value z.
A209602
Number of n X n 1..2 arrays with every element value z a city block distance of exactly z from another element value z.
Terms
- a(0) =0a(1) =2a(2) =125a(3) =11879a(4) =3833954a(5) =4623938410
External references
- oeis: A209602