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A204768
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7^p - 6^p - 1, with p = prime(n).
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4
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12, 126, 9030, 543606, 1614529686, 83828316390, 215703854542470, 10789535445362646, 26579017117027313526, 3183060102526390833854310, 156448938516521406467644086, 18500229372226631089176131976870
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OFFSET
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1,1
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COMMENTS
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For n>2 all terms are divisible by 1806 = 2*3*7*43.
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LINKS
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MATHEMATICA
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Table[(7^Prime[n] - 6^Prime[n] - 1), {n, 1, 20}] (* Vincenzo Librandi, May 04 2014 *)
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PROG
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(Magma) [(7^p-6^p-1): p in PrimesUpTo(100)];
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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