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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
EXAMPLE
a(1) = 3:
._. ._. ._.
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CROSSREFS
Column k=9 of A220777.
Sequence in context: A173366 A125661 A077353 * A089157 A068886 A264463
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.)