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A250295
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Numbers n such that A005165(n) is a semiprime.
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0
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9, 11, 12, 17, 18, 23, 26, 31, 62, 64, 67, 76, 78, 84, 87, 88, 123, 125, 131
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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a(1) = 9 so A005165(9) = 326981 = 79 * 4139 is a semiprime.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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