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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
OFFSET
0,2
LINKS
Wikipedia, Tromino
CROSSREFS
Trisection of column k=10 of A233320.
Sequence in context: A345593 A345851 A166194 * A188101 A157731 A252581
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Mar 08 2016
STATUS
approved