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Numbers n such that n^6 + 272 is prime.
4

%I #30 Apr 03 2023 10:36:11

%S 2163,2541,2667,4011,5187,5733,5985,7119,7371,7707,8547,10017,10731,

%T 12579,13041,13125,13293,14007,14679,15855,16317,16401,16863,17283,

%U 19131,19383,20139,20475,21021,21357,22197,22995,23457,23667,24591,25053,25389,25641

%N Numbers n such that n^6 + 272 is prime.

%H Arkadiusz Wesolowski, <a href="/A161998/b161998.txt">Table of n, a(n) for n = 1..1000</a>

%H G. L. Honaker, Jr. and Chris Caldwell, <a href="https://t5k.org/curios/cpage/18999.html">Prime Curios! 272</a>

%t Select[Range[1, 25641, 2], PrimeQ[#^6 + 272] &] (* _Arkadiusz Wesolowski_, Mar 05 2011 *)

%o (Magma) [n : n in [1..25641 by 2] | IsPrime(n^6+272)]; // _Arkadiusz Wesolowski_, Mar 05 2011

%o (PARI) forstep(n=1, 25641, 2, if(isprime(n^6+272), print1(n, ", "))); \\ _Arkadiusz Wesolowski_, Mar 05 2011

%Y Cf. A007519, A163592, A066386, A126893, A119276.

%K nonn

%O 1,1

%A _Arkadiusz Wesolowski_, Jun 24 2009