Number of 3-dimensional tilings of a 2 X 2 X n box using 2 X 2 X 1 plates, 2 X 1 X 1 dominos and trominos (L-shaped connection of 3 cubes).

A360577

Number of 3-dimensional tilings of a 2 X 2 X n box using 2 X 2 X 1 plates, 2 X 1 X 1 dominos and trominos (L-shaped connection of 3 cubes).

Terms

    a(0) =1a(1) =3a(2) =60a(3) =657a(4) =8311a(5) =101284a(6) =1246049a(7) =15292819a(8) =187803572a(9) =2305968393a(10) =28315208039a(11) =347681742812

External references