Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically.
A207241
Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically.
Terms
- a(0) =25a(1) =625a(2) =3355a(3) =17929a(4) =122197a(5) =683257a(6) =3510185a(7) =18982182a(8) =99915970a(9) =505774921a(10) =2568234125a(11) =12986009155a(12) =64726463915a(13) =321230475656
External references
- oeis: A207241