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A219992
Number of tilings of a 9 X n rectangle using dominoes and right trominoes.
2
1, 0, 569, 26676, 3962734, 342302244, 37873593799, 3704964324320, 385840008972355, 38896105985522272, 3988620629294917699, 405324462894583579568, 41388678831664101508625, 4215380264404938792346540, 429927047644440948315400804, 43815601312259648266416292348
OFFSET
0,3
LINKS
CROSSREFS
Column k=9 of A219987.
Sequence in context: A103818 A240715 A263708 * A221218 A252465 A252473
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 02 2012
STATUS
approved