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

A207948

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

Terms

    a(0) =20a(1) =400a(2) =2340a(3) =18330a(4) =133812a(5) =1007146a(6) =7513176a(7) =56114310a(8) =418757982a(9) =3126019338a(10) =23335656728a(11) =174203347410

External references