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Search: id:A142456
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| A142456 |
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Primes of the form (p(n)-2*n)/5, where p(n)=n-th prime. |
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+0
1
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| 3, 3, 5, 5, 7, 13, 31, 31, 37, 47, 53, 53, 59, 73, 83, 87, 97, 137, 137, 173, 173, 191, 199, 229, 281, 293
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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If n=13, then (p(13)-2*13)/5=(41-26)/5=3=a(1).
If n=14, then (p(14)-2*14)/5=(43-28)/5=3=a(2).
If n=17, then (p(17)-2*17)/5=(59-34)/5=5=a(3).
If n=18, then (p(18)-2*18)/5=(61-36)/5=5=a(4).
If n=22, then (p(22)-2*22)/5=(79-44)/5=7=a(5).
If n=31, then (p(31)-2*31)/5=(127-62)/5=13=a(6), etc.
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CROSSREFS
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Cf. A000040.
Sequence in context: A157966 A087715 A092316 this_sequence A098508 A051593 A046200
Adjacent sequences: A142453 A142454 A142455 this_sequence A142457 A142458 A142459
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KEYWORD
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nonn
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Oct 07 2008
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