Number of n X 1 0..2 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

A267905

Number of n X 1 0..2 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =13a(4) =34a(5) =88a(6) =225a(7) =569a(8) =1426a(9) =3548a(10) =8777a(11) =21613a(12) =53026a(13) =129712a(14) =316545a(15) =770993a(16) =1874914a(17) =4553588a(18) =11047625a(19) =26779909a(20) =64869586a(21) =157043368a(22) =380004897a(23) =919150313a(24) =2222499826a(25) =5372538572a(26) =12984354185a(27) =31374801373a(28) =75801065794

External references