2075667829

Appears in sequences

• Number of n X n 0..2 arrays with every nonzero element less than or equal to some NW, E or S neighbor.at n=4A202981
• Number of nX5 0..2 arrays with every nonzero element less than or equal to some NW, E or S neighbor.at n=4A202985
• T(n,k)=Number of nXk 0..2 arrays with every nonzero element less than or equal to some NW, E or S neighbor.at n=40A202988