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A220125
Number of tilings of an 8 X n rectangle using integer-sided rectangular tiles of area 8.
2
1, 1, 2, 3, 9, 16, 35, 65, 250, 495, 1209, 2412, 6510, 13707, 32467, 68285, 176843, 387518, 926118, 2022259, 4928293, 11009067, 25938745, 57797488, 137808762, 311753120, 730878789, 1651849769, 3880235364, 8842052707, 20602970440, 46930887843, 109406749213
OFFSET
0,3
LINKS
EXAMPLE
a(3) = 3, because there are 3 tilings of an 8 X 3 rectangle using integer-sided rectangular tiles of area 8:
._._._. .___._. ._.___.
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CROSSREFS
Column k=8 of A220122.
Sequence in context: A298355 A023147 A220123 * A095742 A011951 A324014
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 06 2012
STATUS
approved