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A269664 Number of tilings of a 12 X n rectangle with 4n trominoes of any shape. 5
1, 1, 153, 58234, 1895145, 198253934, 27438555522, 1949314526229, 193553900967497, 20574308184277971, 1830607857363940042, 178792253082742021463, 17735061025562799941630, 1679378707647721857218932, 163105210594579645492072521, 15894545877032388610890500803 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..100

Wikipedia, Tromino

CROSSREFS

Column k=12 of A233320.

Cf. A134438, A215826, A233290.

Sequence in context: A073938 A278285 A111086 * A281857 A278708 A206266

Adjacent sequences:  A269661 A269662 A269663 * A269665 A269666 A269667

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Mar 02 2016

STATUS

approved

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Last modified July 26 20:17 EDT 2021. Contains 346294 sequences. (Running on oeis4.)