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A219950 Number of tilings of a 9 X n rectangle using right trominoes and 2 X 2 tiles. 2
1, 0, 16, 0, 560, 384, 46824, 253952, 5141408, 44013568, 628801280, 6441106368, 81395792936, 898467518528, 10813539098984, 123094927843072, 1452323503655432, 16743873126866752, 195934939996794440, 2270867565108570304, 26483057736012701952 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..300

CROSSREFS

Column k=9 of A219946.

Sequence in context: A221404 A221726 A221729 * A221271 A198804 A274377

Adjacent sequences:  A219947 A219948 A219949 * A219951 A219952 A219953

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Dec 01 2012

STATUS

approved

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Last modified April 23 22:17 EDT 2019. Contains 322388 sequences. (Running on oeis4.)