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A269959 Number of tilings of a 10 X 3n rectangle using 10n trominoes of any shape. 2
1, 8266, 379419508, 25020222581494, 1830607857363940042, 137787968143635937039786, 10448677822353537147395706384, 793868918375370204415242288244707, 60346488218332294539638857492286577712, 4587865445075128062280066720936757293474915 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

Wikipedia, Tromino

CROSSREFS

Trisection of column k=10 of A233320.

Sequence in context: A345593 A345851 A166194 * A188101 A157731 A252581

Adjacent sequences:  A269956 A269957 A269958 * A269960 A269961 A269962

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Mar 08 2016

STATUS

approved

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Last modified August 1 07:45 EDT 2021. Contains 346384 sequences. (Running on oeis4.)