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

A209228

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

Terms

    a(0) =28a(1) =784a(2) =896a(3) =1024a(4) =3456a(5) =11664a(6) =38232a(7) =125316a(8) =423384a(9) =1430416a(10) =4755296a(11) =15808576a(12) =53167072a(13) =178810384a(14) =596712128a(15) =1991301376a(16) =6681462272a(17) =22418473984a(18) =74937067264a(19) =250488238144a(20) =839514567296

External references