

A118467


Primes p=prime(i) of level (1,3), i.e. such that A118534(i)=prime(i3).


16



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
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OFFSET

1,1


COMMENTS

If the ith prime p(i) has level 1 in A117563 and 2 p(i)  p(i+1) = p(ik), then we say that p(i) has level(1,k).
Subsequence of A125830 and of A162174.


LINKS

Remi Eismann, Table of n, a(n) for n = 1..10000


EXAMPLE

Prime(115)  prime(114) = prime(114)  prime(1143) = 631  619 = 619  607


CROSSREFS

Cf. A117563, A117876, A118464, A117078.
Sequence in context: A251323 A020377 A210887 * A200812 A133207 A182351
Adjacent sequences: A118464 A118465 A118466 * A118468 A118469 A118470


KEYWORD

nonn


AUTHOR

Rémi Eismann, May 24 2006


EXTENSIONS

Reworded definition and comment, following author's suggestions M. F. Hasler, Nov 30 2009


STATUS

approved



