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A085948
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Total number of elements in all subsets of {1,2,..,n} with relatively prime elements.
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1, 3, 10, 27, 74, 176, 431, 987, 2259, 5025, 11168, 24351, 53022, 114204, 245221, 523173, 1112996, 2356796, 4978235, 10480426, 22014499, 46125601, 96457248, 201300980, 419404740, 872360898, 1811883714, 3757979313, 7784511152
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