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A063651
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Number of ways to tile a 7 X n rectangle with 1 X 1 and 2 X 2 tiles.
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1
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1, 21, 85, 747, 4375, 31387, 202841, 1382259, 9167119, 61643709, 411595537, 2758179839, 18448963469, 123518353059, 826573277157, 5532716266089, 37028886137273, 247839719105625, 1658772577825883, 11102227136885119
(list; graph; refs; listen; history; internal format)
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