A219992 Number of tilings of a 9 X n rectangle using dominoes and right trominoes.

1, 0, 569, 26676, 3962734, 342302244, 37873593799, 3704964324320, 385840008972355, 38896105985522272, 3988620629294917699, 405324462894583579568, 41388678831664101508625, 4215380264404938792346540, 429927047644440948315400804, 43815601312259648266416292348

Offset

0,3

Links

Alois P. Heinz, Table of n, a(n) for n = 0..200

Crossrefs

Column k=9 of A219987.

Sequence in context: A103818 A240715 A263708 * A221218 A252465 A252473

Adjacent sequences: A219989 A219990 A219991 * A219993 A219994 A219995

Keyword

nonn

Author

Alois P. Heinz, Dec 02 2012

Status

approved