Number of tilings of a 7 X n rectangle using monominoes and trominoes of any shape.
A270067
Number of tilings of a 7 X n rectangle using monominoes and trominoes of any shape.
Terms
- a(0) =1a(1) =9a(2) =1371a(3) =148796a(4) =15913695a(5) =1707101599a(6) =184140417890
External references
- oeis: A270067