Number of nX3 1..4 arrays with every element value z a city block distance of exactly z from another element value z.
A209392
Number of nX3 1..4 arrays with every element value z a city block distance of exactly z from another element value z.
Terms
- a(0) =1a(1) =16a(2) =488a(3) =22416a(4) =978956a(5) =32651213a(6) =1094498759a(7) =36547403754
External references
- oeis: A209392