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A220300
Number of ways to cut a 7 X n rectangle into rectangles with integer sides.
3
1, 64, 12634, 3149674, 846280548, 233276449488, 64878517290010, 18100579400986674, 5055501014135301068, 1412555471061355121760, 394736020870056624585954, 110313635920498690779144346, 30828978488622550052903902112, 8615722882208603126215501978476
OFFSET
0,2
LINKS
David A. Klarner and Spyros S. Magliveras, The number of tilings of a block with blocks, European Journal of Combinatorics 9 (1988), 317-330.
Joshua Smith and Helena Verrill, On dividing rectangles into rectangles
FORMULA
G.f.: see link above.
MAPLE
# see link above.
CROSSREFS
Column m=7 of A116694.
Sequence in context: A364520 A376524 A209779 * A316485 A292025 A185562
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 10 2012
STATUS
approved