A219991 - OEIS

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A219991

Number of tilings of an 8 X n rectangle using dominoes and right trominoes.

1, 1, 258, 7827, 619773, 31411948, 1973546988, 111496884663, 6652506271144, 385840008972355, 22714686725936048, 1326699809920740144, 77815956863006419783, 4553929883329302973354, 266826017253691963185320, 15623876956054896455317089, 915167189151722925761420274

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

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

CROSSREFS

Column k=8 of A219987.

Sequence in context: A253636 A271759 A228998 * A168125 A271038 A097734

Adjacent sequences: A219988 A219989 A219990 * A219992 A219993 A219994

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Dec 02 2012

STATUS

approved