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

A208012

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

Terms

    a(0) =28a(1) =784a(2) =3808a(3) =18496a(4) =55624a(5) =167281a(6) =393049a(7) =923521a(8) =1860496a(9) =3748096a(10) =6791488a(11) =12306064a(12) =20630548a(13) =34586161a(14) =54628609a(15) =86285521a(16) =130008844a(17) =195888016a(18) =284062816a(19) =411927616a(20) =578699848a(21) =812991169a(22) =1112035513a(23) =1521078001

External references