A142489 - OEIS

%I #12 Sep 08 2022 08:45:36

%S 73,277,379,787,991,1093,1297,1399,2011,2113,2521,3541,3643,3847,4051,

%T 4153,4357,4561,4663,4969,5479,5581,5683,6091,6397,6703,6907,7213,

%U 7417,7621,7723,7927,8233,8539,8641,9049,9151,9661,9967,10069,10273,10477,10987,11497

%N Primes congruent to 22 mod 51.

%H Vincenzo Librandi, <a href="/A142489/b142489.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 32n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Range[22,12000,51],PrimeQ] (* _Harvey P. Dale_, Nov 29 2011 *)

%t Select[Prime[Range[2400]], MemberQ[{22}, Mod[#, 51]] &] (* _Vincenzo Librandi_, Aug 28 2012 *)

%o (Magma) [p: p in PrimesUpTo(13000) | p mod 51 eq 22]; // _Vincenzo Librandi_, Aug 28 2012

%o (PARI) is(n)=isprime(n) && n%51==22 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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