Number of tilings of a 6 X n rectangle with 2n trominoes of any shape.
A233290
Number of tilings of a 6 X n rectangle with 2n trominoes of any shape.
Terms
- a(0) =1a(1) =1a(2) =11a(3) =170a(4) =939a(5) =8342a(6) =80092a(7) =614581a(8) =5271923a(9) =45832761a(10) =379419508a(11) =3223419241a(12) =27438555522a(13) =231096250072
External references
- oeis: A233290