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

A208017

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

Terms

    a(0) =20a(1) =400a(2) =1260a(3) =8643a(4) =32860a(5) =92560a(6) =393049a(7) =1578401a(8) =5340405a(9) =20121640a(10) =78251775a(11) =284274270a(12) =1051011118a(13) =3983096719a(14) =14785680541a(15) =54778074707a(16) =205202336088a(17) =765281117395

External references