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

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