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A226375
Number of tilings of an 11 X n rectangle using integer-sided square tiles of area > 1.
2
1, 0, 0, 0, 0, 4, 51, 0, 0, 0, 104, 777, 3845, 52, 45, 1247, 19600, 96138, 295711, 8256, 27485, 341034, 2741563, 10253987, 22931155, 1312790, 7243470, 60002173, 333466344, 1013398942, 1792951716, 224282542, 1374038796, 8632780685, 37298717355, 95755127099
OFFSET
0,6
LINKS
EXAMPLE
a(5) = 4:
._._._._._. ._._._._._. ._._._._._. ._._._._._.
| | | | | | | | | |
| | | | |___| | | |___|
| | | | | |_____| |_____| |
| | | | |___| | | |___|
|_________| |_________| | | | | | |
| | | | | | |___|_____| |_____|___|
|___| | | |___| | | | |
| |_____| |_____| | | | | |
|___| | | |___| | | | |
| | | | | | | | | |
|___|_____| |_____|___| |_________| |_________|
CROSSREFS
Column k=11 of A226206.
Sequence in context: A235604 A221477 A122464 * A347551 A048995 A215639
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jun 05 2013
STATUS
approved