A160688 - OEIS

A160688

Primes p such that p^2-2, p^3-2, p^4-2, p^5-2 and p^6-2 are all prime.

152558869, 480575479, 550688041, 863687971, 1388856589, 1518546259, 1628566519, 2205080989, 2284848061, 2441941039, 3086181811, 3222124669, 3325371979, 3705499309, 3782535301, 5331767491, 5671038871, 5842510939

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OFFSET

1,1

COMMENTS

p=9069690841 is in this sequence and p^7-2 is also prime. [From Dmitry Kamenetsky, May 26 2009]

LINKS

D. Kamenetsky, Table of n, a(n) for n=1..75

CROSSREFS

Cf. A160687, A062326, A154831.

Sequence in context: A226970 A212470 A180345 * A151696 A221555 A212941

Adjacent sequences: A160685 A160686 A160687 * A160689 A160690 A160691

KEYWORD

nonn

AUTHOR

Dmitry Kamenetsky, May 24 2009

EXTENSIONS

More terms copied from author's b-file by Hagen von Eitzen, Jul 20 2009

STATUS

approved