Number of zero-sum nX5 -1..1 arrays with every element unequal to at most two horizontal and vertical neighbors.
A202044
Number of zero-sum nX5 -1..1 arrays with every element unequal to at most two horizontal and vertical neighbors.
Terms
- a(0) =51a(1) =1593a(2) =19541a(3) =359017a(4) =6221993a(5) =119412837a(6) =2229078023a(7) =43322352587a(8) =834780981463
External references
- oeis: A202044