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Search: id:A165742
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| 1, 2, 3, 1, 6, 2, 12, 4, 17, 7, 8, 34, 14, 16, 68, 28, 32, 87, 49, 56, 64, 174, 98, 112, 128, 348, 196, 224, 256, 353, 343
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OFFSET
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1,2
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EXAMPLE
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For n = 5, the 5th number of the form 2^i*7^j with i, j >= 0 is 8, and the 6th number of the form 2^i*7^j with i, j >= 0 is 14, so the difference is 14 - 8 = 6.
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CROSSREFS
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The first differences of A003591
Sequence in context: A062565 A156344 A119440 this_sequence A162984 A166295 A016730
Adjacent sequences: A165739 A165740 A165741 this_sequence A165743 A165744 A165745
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KEYWORD
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nonn
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AUTHOR
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Mick Purcell (mickpurcell(AT)gmail.com), Sep 25 2009
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