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Search: id:A117094
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| A117094 |
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Numbers n such that nextprime(5*n)>5*nextprime(n) (if p is prime then nextprime(p)=p). |
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+0
1
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| 2, 3, 5, 7, 11, 13, 17, 18, 19, 23, 28, 29, 31, 37, 40, 41, 43, 47, 53, 59, 60, 61, 67, 71, 72, 73, 78, 79, 82, 83, 89, 96, 97, 101, 102, 103, 105, 106, 107, 109, 113, 127, 131, 137, 139, 149
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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nextprime(5*13)=67 and nextprime(5)*nextprime(13)=5*13=65 then 13 is member because 67>65
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PROGRAM
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(PARI) for(i=1, 150, if(nextprime(5*i)>nextprime(5)*nextprime(i), print1(i, ", ")))
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CROSSREFS
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Sequence in context: A033633 A117285 A100546 this_sequence A074721 A152073 A117289
Adjacent sequences: A117091 A117092 A117093 this_sequence A117095 A117096 A117097
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KEYWORD
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easy,nonn
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AUTHOR
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Mohammed Bouayoun (mohammed.bouayoun(AT)sanef.com), Apr 18 2006
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