Number of zero-sum nX5 -1..1 arrays with every element equal to at least one horizontal or vertical neighbor.
A201844
Number of zero-sum nX5 -1..1 arrays with every element equal to at least one horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =411a(2) =17031a(3) =1566319a(4) =109797321a(5) =8964073263a(6) =697824874477
External references
- oeis: A201844