A154832 - OEIS

%I #16 Feb 03 2024 00:52:54

%S 3,7,11,13,29,41,43,53,59,73,83,101,181,239,241,277,293,311,367,389,

%T 409,421,433,503,587,617,647,683,757,773,811,823,839,881,907,953,1019,

%U 1093,1117,1187,1249,1361,1471,1481,1543,1553,1571,1637,1667,1747,1789,1847

%N Primes p such that p^4-2 is also prime.

%C Primes in A154831.

%H Amiram Eldar, <a href="/A154832/b154832.txt">Table of n, a(n) for n = 1..10000</a>

%t lst={};Do[p=n^4-2;If[PrimeQ[p],If[PrimeQ[n],AppendTo[lst,n]]],{n,0,7!}];lst

%t Select[Prime[Range[300]],PrimeQ[#^4-2]&] (* _Harvey P. Dale_, Nov 24 2018 *)

%Y Cf. A028870, A038599, A154831

%K nonn

%O 1,1

%A _Vladimir Joseph Stephan Orlovsky_, Jan 15 2009