308642476

Appears in sequences

• Number of n X n 0..3 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=3A203093
• Number of n X 4 0..3 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=3A203097
• T(n,k) = number of nXk 0..3 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=24A203101