6474088455

Appears in sequences

• Number of n X n 0..4 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=3A203183
• Number of nX4 0..4 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=3A203187
• T(n,k)=Number of nXk 0..4 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=24A203191