Number of tilings of an n X 1 rectangle (using tiles of dimension 1 X 1 and 2 X 1) that are not the concatenation of smaller equally-sized tilings.

A224918

Number of tilings of an n X 1 rectangle (using tiles of dimension 1 X 1 and 2 X 1) that are not the concatenation of smaller equally-sized tilings.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =1a(4) =7a(5) =0a(6) =20a(7) =9a(8) =28a(9) =9a(10) =143a(11) =39a(12) =376a(13) =105a(14) =340a(15) =441a(16) =2583a(17) =480a(18) =6764a(19) =2400a(20) =7235a(21) =6897a(22) =46367a(23) =10332a(24) =88625a(25) =50193a(26) =151436a(27) =126504a(28) =832039a(29) =127431

External references