12218660

Appears in sequences

• Number of n X n 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=3A207352
• Number of n X 4 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=3A207354
• T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=24A207358