320224986

Appears in sequences

• Half the number of n X n 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.at n=4A183576
• Half the number of nX5 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.at n=4A183580
• T(n,k)=Half the number of nXk 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.at n=40A183584