A271081 Number of ways to tile an n X n X n cube with 1 X 1 X 1 and 2 X 2 X 2 tiles.

1, 2, 9, 2089, 3144692, 2748613397101, 107008949868167431857

Offset

1,2

Links

Table of n, a(n) for n=1..7.

Example

There are 9 ways to tile a cube of side length 3 with cubes of side length 1 and 2, so a(3) = 9.

Crossrefs

Cf. A063443 (a 2D version of this tiling count).

Sequence in context: A229050 A221177 A181865 * A005167 A208213 A067039

Adjacent sequences: A271078 A271079 A271080 * A271082 A271083 A271084

Keyword

nonn,more

Author

Johan Nilsson, Mar 30 2016

Status

approved