Number of tilings of a 7 X n rectangle using dominoes and right trominoes.
A219990
Number of tilings of a 7 X n rectangle using dominoes and right trominoes.
Terms
- a(0) =1a(1) =0a(2) =117a(3) =1984a(4) =96139a(5) =2746048a(6) =100578811a(7) =3238675344a(8) =111496884663
External references
- oeis: A219990