2809217

Appears in sequences

• Number of zero-sum nX3 -1..1 arrays with every element equal to at least one horizontal or vertical neighbor.at n=6A201842
• Number of zero-sum nX7 -1..1 arrays with every element equal to at least one horizontal or vertical neighbor.at n=2A201846
• T(n,k)=Number of zero-sum nXk -1..1 arrays with every element equal to at least one horizontal or vertical neighbor.at n=38A201847
• T(n,k)=Number of zero-sum nXk -1..1 arrays with every element equal to at least one horizontal or vertical neighbor.at n=42A201847