2232183

Appears in sequences

• Number of zero-sum n X 2 -3..3 arrays with every element unequal to at most two horizontal and vertical neighbors.at n=5A201955
• T(n,k)=Number of zero-sum nXk -3..3 arrays with every element unequal to at most two horizontal and vertical neighbors.at n=22A201958
• T(n,k)=Number of zero-sum nXk -3..3 arrays with every element unequal to at most two horizontal and vertical neighbors.at n=26A201958