Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.

A206935

Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.

Terms

    a(0) =81a(1) =6561a(2) =165783a(3) =3227589a(4) =48992069a(5) =659747611a(6) =8138711727a(7) =95444167901

External references