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

A360065

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

Terms

    a(0) =1a(1) =2a(2) =45a(3) =412a(4) =4705a(5) =50374a(6) =549109a(7) =5955544a(8) =64683649a(9) =702259786a(10) =7625147293a(11) =82791470836a(12) =898931464993

External references