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A160688 Primes p such that p^2-2, p^3-2, p^4-2, p^5-2 and p^6-2 are all prime. 2

%I #4 Mar 31 2012 14:12:22

%S 152558869,480575479,550688041,863687971,1388856589,1518546259,

%T 1628566519,2205080989,2284848061,2441941039,3086181811,3222124669,

%U 3325371979,3705499309,3782535301,5331767491,5671038871,5842510939

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

%C p=9069690841 is in this sequence and p^7-2 is also prime. [From _Dmitry Kamenetsky_, May 26 2009]

%H D. Kamenetsky, <a href="/A160688/b160688.txt">Table of n, a(n) for n=1..75</a>

%Y Cf. A160687, A062326, A154831.

%K nonn

%O 1,1

%A _Dmitry Kamenetsky_, May 24 2009

%E More terms copied from author's b-file by _Hagen von Eitzen_, Jul 20 2009

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Last modified July 24 21:47 EDT 2024. Contains 374585 sequences. (Running on oeis4.)