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 and trominos (L-shaped connection of 3 cubes).

A360066

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 and trominos (L-shaped connection of 3 cubes).

Terms

    a(0) =1a(1) =11a(2) =444a(3) =13311a(4) =422617a(5) =13265660a(6) =417336617a(7) =13123557903a(8) =412719195520

External references