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A233424
Number of tilings of a 6 X 6 X n box using 6n bricks of shape 6 X 1 X 1.
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
CROSSREFS
Column k=6 of A233308.
Sequence in context: A250073 A260873 A138814 * A137181 A272698 A355548
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 09 2013
STATUS
approved