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 A220775 Number of tilings of a 9 X n rectangle using integer-sided rectangular tiles of equal area. 2
 1, 3, 62, 23, 6698, 134, 819260, 2877, 108621208, 37201, 14479700369, 468915, 1937642567197, 7263798, 259423798200631, 97188666, 34741718606996667, 1352782707, 4652799885800847654, 19220635744, 623139536802731306776, 265095839585, 83456125991723439283189 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..50 EXAMPLE a(1) = 3: ._. ._. ._. | | | | |_| | | | | |_| | | |_| |_| | | | | |_| | | | | |_| | | |_| |_| | | | | |_| | | | | |_| |_| |_| |_| CROSSREFS Column k=9 of A220777. Sequence in context: A173366 A125661 A077353 * A089157 A068886 A264463 Adjacent sequences: A220772 A220773 A220774 * A220776 A220777 A220778 KEYWORD nonn AUTHOR Alois P. Heinz, Dec 19 2012 STATUS approved

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Last modified June 25 13:13 EDT 2024. Contains 373705 sequences. (Running on oeis4.)