A233424 Number of tilings of a 6 X 6 X n box using 6n bricks of shape 6 X 1 X 1.

1, 2, 4, 8, 16, 32, 189, 1832, 11976, 56900, 218700, 727124, 2726981, 12253538, 62679368, 325994136, 1595601732, 7138298060, 30826222249, 133888313984, 599193793748, 2771350054416, 13034384509528, 60837363967864, 279515497785209, 1268615827196786, 5735159834461216

Offset

0,2

Links

Table of n, a(n) for n=0..26.

Crossrefs

Column k=6 of A233308.

Sequence in context: A250073 A260873 A138814 * A137181 A272698 A355548

Adjacent sequences: A233421 A233422 A233423 * A233425 A233426 A233427

Keyword

nonn

Author

Alois P. Heinz, Dec 09 2013

Status

approved