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A353934 Number of tilings of an n X n square using right trominoes, dominoes, and monominoes. 2
1, 1, 11, 369, 83374, 90916452, 546063639624, 17259079054003609, 2916019543694306398589, 2620143594924539083433405392, 12541344781693990981151732534871036, 319608708168951734031266758322647453517098, 43373075269161087186367095378869660507262626652634 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Wikipedia, Polyomino
FORMULA
a(n) = A353877(n,n).
EXAMPLE
a(2) = 11:
.___. .___. .___. .___. .___. .___. .___. .___. .___. .___. .___.
|_|_| |___| | | | |_|_| |___| |_| | | |_| |_| | |_. | | ._| | |_|
|_|_| |___| |_|_| |___| |_|_| |_|_| |_|_| |___| |_|_| |_|_| |___| .
CROSSREFS
Main diagonal of A353877.
Sequence in context: A000464 A291973 A024149 * A333466 A018893 A051862
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 11 2022
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)