3421817

Appears in sequences

• Number of n X n 0..6 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=2A203058
• Number of nX3 0..6 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=2A203061
• T(n,k)=Number of nXk 0..6 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.at n=12A203066