Number of zero-sum nX7 -1..1 arrays with every element unequal to at most two horizontal and vertical neighbors.

A202046

Number of zero-sum nX7 -1..1 arrays with every element unequal to at most two horizontal and vertical neighbors.

Terms

    a(0) =393a(1) =37311a(2) =1067983a(3) =49553277a(4) =2229078023a(5) =108356007319

External references