497727

Appears in sequences

• Number of nX3 0..1 arrays avoiding 0 1 0 horizontally and 1 0 1 vertically.at n=7A206878
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 1 0 horizontally and 1 0 1 vertically.at n=47A206883
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 1 0 horizontally and 0 1 1 vertically.at n=47A207000