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A118467
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Primes p=prime(i) of level (1,3), i.e. such that A118534(i)=prime(i-3).
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10
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619, 1069, 1459, 1499, 1759, 1789, 2861, 3331, 3931, 4177, 4801, 4831, 5419, 6229, 6397, 8431, 8893, 9067, 9631, 11003, 11131, 11789, 12619, 14251, 15331, 15889, 16661, 17683, 17939, 18269, 18553, 19219, 19391, 19507, 20029, 20759
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| If the i-th prime p(i) has level 1 in A117563 and 2 p(i) - p(i+1) = p(i-k), then we say that p(i) has level(1,k).
Subsequence of A125830 and of A162174.
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LINKS
| Remi Eismann, Table of n, a(n) for n = 1..10000
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EXAMPLE
| Prime(115) - prime(114) = prime(114) - prime(114-3) = 631 - 619 = 619 - 607
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CROSSREFS
| Cf. A117563, A117876, A118464, A117078.
Sequence in context: A190029 A108818 A020377 * A200812 A133207 A202239
Adjacent sequences: A118464 A118465 A118466 * A118468 A118469 A118470
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KEYWORD
| nonn
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AUTHOR
| Remi EISMANN (reismann(AT)free.fr), May 24 2006
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EXTENSIONS
| Reworded definition and comment, following author's suggestions M. F. Hasler (www.univ-ag.fr/~mhasler), Nov 30 2009
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