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 A270066 Number of tilings of a 6 X n rectangle using monominoes and trominoes of any shape. 2
 1, 6, 438, 23509, 1238818, 65410388, 3473827027, 184140417890, 9756894398324, 517174361985073, 27412100990502042, 1452889626133073024, 77006768282516987969, 4081555197498259422846, 216332403430110823588762, 11466150014825389043509015 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..580 Wikipedia, Tromino CROSSREFS Column k=6 of A270061. Sequence in context: A262013 A028665 A231316 * A001328 A174777 A265168 Adjacent sequences: A270063 A270064 A270065 * A270067 A270068 A270069 KEYWORD nonn AUTHOR Alois P. Heinz, Mar 09 2016 STATUS approved

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Last modified November 28 05:31 EST 2022. Contains 358407 sequences. (Running on oeis4.)