Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.

A207116

Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.

Terms

    a(0) =14a(1) =196a(2) =826a(3) =3641a(4) =13863a(5) =42874a(6) =139341a(7) =402498a(8) =1153962a(9) =3259098a(10) =8878431a(11) =24420005a(12) =65876246a(13) =177547567a(14) =478191946a(15) =1279250394a(16) =3433218078a(17) =9182843871a(18) =24565794267a(19) =65742901568a(20) =175705176107a(21) =470018725612

External references