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Search: id:A153134
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| A153134 |
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Numbers n such that 6n-7 is prime |
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+0
4
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| 2, 3, 4, 5, 6, 8, 9, 10, 11, 13, 15, 16, 18, 19, 20, 23, 24, 26, 29, 30, 31, 33, 34, 39, 40, 41, 43, 44, 45, 46, 48, 50, 53, 54, 59, 60, 61, 65, 66, 68, 71, 73, 75, 76, 78, 79, 81, 83, 85, 86, 88, 94, 95, 96, 99, 100, 101, 104, 108, 109, 110, 111, 114, 115, 118, 121, 125, 128
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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For n=2, 6n-7=5; n=108, 6n-7=641
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MATHEMATICA
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lst={}; Do[If[PrimeQ[6*n-7], AppendTo[lst, n]], {n, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 23 2008]
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CROSSREFS
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Cf. A153245, A153134, A153135 [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 23 2008]
Sequence in context: A068398 A133194 A022774 this_sequence A045546 A050026 A129143
Adjacent sequences: A153131 A153132 A153133 this_sequence A153135 A153136 A153137
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KEYWORD
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nonn
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AUTHOR
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Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Dec 21 2008
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EXTENSIONS
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Corrected and extended by Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 23 2008
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