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A142451 Primes congruent to 44 mod 49. 1

%I #9 Sep 08 2022 08:45:36

%S 191,877,1171,1367,1759,2053,2347,2543,2837,3229,3719,4013,4111,4993,

%T 5189,5483,5581,6659,7247,7541,7639,7933,8423,8521,9011,9109,9403,

%U 9697,11069,11657,12049,12343,12539,12637,13127,13421,14009,14107,14303,14401,14891

%N Primes congruent to 44 mod 49.

%H Vincenzo Librandi, <a href="/A142451/b142451.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[{44}, Mod[#, 49]] &] (* _Vincenzo Librandi_, Aug 28 2012 *)

%o (Magma) [p: p in PrimesUpTo(17000) | p mod 49 eq 44]; // _Vincenzo Librandi_, Aug 28 2012

%o (PARI) is(n)=isprime(n) && n%49==44 \\ _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 April 25 09:49 EDT 2024. Contains 371967 sequences. (Running on oeis4.)