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A220776
Number of tilings of a 10 X n rectangle using integer-sided rectangular tiles of equal area.
2
1, 4, 102, 616, 18677, 185941, 4234749, 53175580, 1032057418, 14479700369, 258619377111, 3852472574291, 65745311218943, 1012747193321734, 16848226332988336, 264499789551397017, 4337455758021247301, 68829675768134073637
OFFSET
0,2
COMMENTS
a(n+1)/a(n) tends to 16.0939118... - Vaclav Kotesovec, Dec 25 2012
LINKS
EXAMPLE
a(1) = 4:
._. ._. ._. ._.
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CROSSREFS
Column k=10 of A220777.
Sequence in context: A059105 A129435 A129702 * A180818 A211047 A326087
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 19 2012
STATUS
approved