Number of tilings of a 7 X n rectangle using right trominoes and 1 X 1 tiles.
A220057
Number of tilings of a 7 X n rectangle using right trominoes and 1 X 1 tiles.
Terms
- a(0) =1a(1) =1a(2) =655a(3) =17511a(4) =1328849a(5) =65564239a(6) =3814023955a(7) =207866584389
External references
- oeis: A220057