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A366582
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Numbers k such that 6^k + 1 is a semiprime.
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1
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3, 8, 11, 12, 31, 43, 47, 59, 62, 107, 382, 514, 734, 811
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OFFSET
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1,1
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LINKS
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EXAMPLE
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11 is in this sequence because 6^11+1 = 7*51828151 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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STATUS
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approved
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