Number of tilings of a 4 X 3n rectangle using 4n trominoes of any shape.
A233339
Number of tilings of a 4 X 3n rectangle using 4n trominoes of any shape.
Terms
- a(0) =1a(1) =23a(2) =939a(3) =41813a(4) =1895145a(5) =86208957a(6) =3924499731a(7) =178682349823
External references
- oeis: A233339