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 A154622 Primes p such that 67*p + 32 is also prime. 1

%I #8 Sep 08 2022 08:45:40

%S 3,5,11,17,47,53,71,113,191,227,233,281,383,431,467,521,641,653,827,

%T 863,941,971,1031,1061,1181,1187,1223,1367,1433,1481,1487,1667,1697,

%U 1811,1823,1877,1901,1913,1997,2027,2081,2087,2213,2237,2357,2411,2417,2447

%N Primes p such that 67*p + 32 is also prime.

%H Vincenzo Librandi, <a href="/A154622/b154622.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[2500]], PrimeQ[67*# + 32]&] (* _Vincenzo Librandi_, Oct 30 2012 *)

%o (Magma) [p: p in PrimesUpTo(2500)| IsPrime(67*p + 32)]; // _Vincenzo Librandi_, Oct 30 2012

%Y Cf. A154621.

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Jan 17 2009

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Last modified December 7 14:54 EST 2023. Contains 367657 sequences. (Running on oeis4.)