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A364616
Number of tilings of a 6 X n rectangle using dominoes and trominoes (of any shape).
2
1, 2, 108, 3540, 110017, 3710880, 118624712, 3899306587, 127878970311, 4189728321930, 137392239151483, 4503668012714799, 147644019131706564, 4840231631630848470, 158674875169222078088, 5201817700816057866925, 170529855092392357493695, 5590439274972944626211771
OFFSET
0,2
LINKS
Wikipedia, Tromino
EXAMPLE
a(1) = 2:
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CROSSREFS
Column k=6 of A364457.
Sequence in context: A156502 A111456 A157067 * A375841 A287153 A372117
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jul 29 2023
STATUS
approved