Number of 5Xn 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.
A206874
Number of 5Xn 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.
Terms
- a(0) =21a(1) =441a(2) =3967a(3) =55063a(4) =728935a(5) =8942469a(6) =115505069a(7) =1476136671a(8) =18751133599a(9) =239558002631
External references
- oeis: A206874