622569385

Appears in sequences

• Number of nX4 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=4A207985
• Number of nX5 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.at n=3A207986
• 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=31A207989
• 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=32A207989