A220059 Number of tilings of a 9 X n rectangle using right trominoes and 1 X 1 tiles.

1, 1, 4895, 358397, 103628653, 16939662301, 3448441154503, 643234164533111, 124179182077944123, 23649239068131551559, 4528155459015015278497, 865169296748334990311763, 165442366105217743521821785, 31626233120646483498726015897, 6046521630766477909485058575551

Offset

0,3

Links

Alois P. Heinz, Table of n, a(n) for n = 0..150

Crossrefs

Column k=9 of A220054.

Sequence in context: A126704 A251325 A186478 * A339939 A321146 A107545

Adjacent sequences: A220056 A220057 A220058 * A220060 A220061 A220062

Keyword

nonn

Author

Alois P. Heinz, Dec 03 2012

Status

approved