Number of nX3 0..3 arrays with every element value z a city block distance of exactly z from another element value z.
A209175
Number of nX3 0..3 arrays with every element value z a city block distance of exactly z from another element value z.
Terms
- a(0) =5a(1) =115a(2) =5053a(3) =236727a(4) =9263488a(5) =343130181a(6) =12206184150a(7) =419837744948
External references
- oeis: A209175