Number of tilings of a 3 X 2n rectangle using dominos and 2 X 2 right triangles.
A362299
Number of tilings of a 3 X 2n rectangle using dominos and 2 X 2 right triangles.
Terms
- a(0) =1a(1) =7a(2) =55a(3) =445a(4) =3625a(5) =29575a(6) =241375a(7) =1970125a(8) =16080625a(9) =131254375a(10) =1071334375a(11) =8744528125a(12) =71375265625a(13) =582584734375
External references
- oeis: A362299