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

A360644

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

Terms

    a(0) =1a(1) =12a(2) =513a(3) =16194a(4) =547543a(5) =18234354a(6) =609298887a(7) =20344385080a(8) =679408772089

External references