Number of tilings of a 5 X n rectangle using monominoes and trominoes of any shape.
A270065
Number of tilings of a 5 X n rectangle using monominoes and trominoes of any shape.
Terms
- a(0) =1a(1) =4a(2) =140a(3) =3710a(4) =96176a(5) =2501946a(6) =65410388a(7) =1707101599a(8) =44538604036
External references
- oeis: A270065