Number of zero-sum nX4 -3..3 arrays with every element unequal to at most two horizontal and vertical neighbors.
A201957
Number of zero-sum nX4 -3..3 arrays with every element unequal to at most two horizontal and vertical neighbors.
Terms
- a(0) =231a(1) =17903a(2) =303955a(3) =9654533a(4) =300895245a(5) =10356370455a(6) =360008261031
External references
- oeis: A201957