252520

Appears in sequences

• Number of nX3 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX3 array.at n=2A220108
• T(n,k)=Number of nXk arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nXk array.at n=12A220109