397221

Appears in sequences

• Number of nX4 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=5A206867
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=41A206871
• Number of 6 X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=3A206875