A270069 Number of tilings of a 9 X n rectangle using monominoes and trominoes of any shape.

1, 19, 13413, 5952243, 2626057921, 1162378878394, 517174361985073, 229681994753502100, 101965922336345576219, 45283517791861200639757, 20109634299824273864511862, 8930062817269356408791188106, 3965614916098256915340694883017, 1761030770921730133912679646624228

Offset

0,2

Links

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

Wikipedia, Tromino

Crossrefs

Column k=9 of A270061.

Sequence in context: A093400 A265169 A174306 * A357252 A186165 A198412

Adjacent sequences: A270066 A270067 A270068 * A270070 A270071 A270072

Keyword

nonn

Author

Alois P. Heinz, Mar 09 2016

Status

approved