4827482

Appears in sequences

• Number of nX3 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=4A207984
• Number of nX5 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=2A207986
• T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=23A207989
• T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=25A207989