A220775 Number of tilings of a 9 X n rectangle using integer-sided rectangular tiles of equal area.

1, 3, 62, 23, 6698, 134, 819260, 2877, 108621208, 37201, 14479700369, 468915, 1937642567197, 7263798, 259423798200631, 97188666, 34741718606996667, 1352782707, 4652799885800847654, 19220635744, 623139536802731306776, 265095839585, 83456125991723439283189

Offset

0,2

Links

Alois P. Heinz, Table of n, a(n) for n = 0..50

Example

a(1) = 3:
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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