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A059485
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Highest prime factor is greater than 3.
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5
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5, 7, 10, 11, 13, 14, 15, 17, 19, 20, 21, 22, 23, 25, 26, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 80, 82, 83, 84, 85, 86, 87, 88, 89
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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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FORMULA
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MATHEMATICA
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fQ[n_]:=! PowerMod[6, n, n]==0; Select[Range [100], fQ] (* Vincenzo Librandi, Dec 22 2016 *)
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PROG
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(Magma) [n: n in [1..100] | not PrimeDivisors(n) subset [2, 3]]; // Vincenzo Librandi, Dec 22 2016
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CROSSREFS
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Complement of A003586. Cf. A007310 for numbers whose smallest prime factor (if there is one) is greater than 3.
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KEYWORD
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nonn,easy
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AUTHOR
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Simone Caramel (simonecaramel(AT)libero.it), Feb 04 2001
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EXTENSIONS
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STATUS
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approved
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