Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically.

A207697

Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically.

Terms

    a(0) =18a(1) =324a(2) =612a(3) =1156a(4) =4216a(5) =15376a(6) =50096a(7) =163216a(8) =578528a(9) =2050624a(10) =6804864a(11) =22581504a(12) =79225344a(13) =277955584a(14) =930264256a(15) =3113416804a(16) =10855054516a(17) =37846589764a(18) =127345247780a(19) =428488068100

External references