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A142259 Primes congruent to 10 mod 43. 1

%I #16 Sep 08 2022 08:45:36

%S 53,139,311,397,569,827,1171,1429,1601,2203,2633,2719,3407,3923,4783,

%T 5471,5557,5987,6073,6761,7019,7621,7793,7879,9341,9857,10459,10631,

%U 10889,11491,12007,12437,12781,12953,13297,13469,14071,14243,14759,15017,15361,15619

%N Primes congruent to 10 mod 43.

%H Vincenzo Librandi, <a href="/A142259/b142259.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 42n log n. - _Charles R Greathouse IV_, Jul 02 2016

%t Select[Prime[Range[2000]],Mod[#,43]==10&] (* or *) Select[43Range[ 0,400]+10,PrimeQ] (* _Harvey P. Dale_, Jul 02 2011 *)

%t Select[Prime[Range[5000]],MemberQ[{10},Mod[#,43]]&] (* _Vincenzo Librandi_, Aug 24 2012 *)

%o (Magma) [p: p in PrimesUpTo(17000) | p mod 43 eq 10 ]; // _Vincenzo Librandi_, Aug 24 2012

%o (PARI) is(n)=isprime(n) && n%43==10 \\ _Charles R Greathouse IV_, Jul 02 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 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)