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A142441 Primes congruent to 32 mod 49. 1

%I #11 Sep 08 2022 08:45:36

%S 179,277,571,1061,1453,1747,2237,2531,3119,3217,3413,3511,4001,4099,

%T 5471,5569,6353,6451,7039,7333,7529,7823,8117,8803,8999,9293,9391,

%U 9587,10273,10567,10861,11057,11351,11743,11939,12037,12527,12821,12919,13997,14389

%N Primes congruent to 32 mod 49.

%H Vincenzo Librandi, <a href="/A142441/b142441.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 42n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Prime[Range[2500]], MemberQ[{32}, Mod[#, 49]] &] (* _Vincenzo Librandi_, Aug 28 2012 *)

%o (Magma) [p: p in PrimesUpTo(17000) | p mod 49 eq 32]; // _Vincenzo Librandi_, Aug 28 2012

%o (PARI) is(n)=isprime(n) && n%49==32 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, Jul 11 2008

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Last modified May 3 03:26 EDT 2024. Contains 372204 sequences. (Running on oeis4.)