542989615

Appears in sequences

• Number of nX3 0..3 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=4A207577
• Number of nX5 0..3 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=2A207579
• T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=23A207582
• T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=25A207582