A270068 Number of tilings of an 8 X n rectangle using monominoes and trominoes of any shape.

1, 13, 4287, 940916, 204383373, 44538604036, 9756894398324, 2133436326533143, 466326405037190729, 101965922336345576219, 22294594753523459270694, 4874505512330163994345181, 1065778806957316983452583926, 233025803338941141247495062594

Offset

0,2

Links

Alois P. Heinz, Table of n, a(n) for n = 0..430

Wikipedia, Tromino

Crossrefs

Column k=8 of A270061.

Sequence in context: A068532 A182348 A094316 * A174310 A362659 A057842

Adjacent sequences: A270065 A270066 A270067 * A270069 A270070 A270071

Keyword

nonn

Author

Alois P. Heinz, Mar 09 2016

Status

approved