A364632 - OEIS

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A364632

Number of tilings of an 8 X n rectangle using dominoes and trominoes (of any shape).

1, 4, 727, 84479, 9329739, 1122371638, 127878970311, 14838250606222, 1718701020524054, 200672595297189586, 23450223795056965768, 2739338254804093291920, 320025997655337939550000, 37387503156239089324459486, 4367768774150299801942333252

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..484

Wikipedia, Domino (mathematics).

Wikipedia, Tromino.

EXAMPLE

a(1) = 4:

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CROSSREFS

Column k=8 of A364457.

Sequence in context: A159618 A219012 A370449 * A059754 A134579 A090588

Adjacent sequences: A364629 A364630 A364631 * A364633 A364634 A364635

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jul 30 2023

STATUS

approved