Number of tilings of a 5 X n rectangle using dominoes and right trominoes.
A219988
Number of tilings of a 5 X n rectangle using dominoes and right trominoes.
Terms
- a(0) =1a(1) =0a(2) =24a(3) =140a(4) =2319a(5) =21272a(6) =262191a(7) =2746048a(8) =31411948a(9) =342302244a(10) =3830482893a(11) =42241878920a(12) =469601959777
External references
- oeis: A219988