This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A142369 #11 Sep 08 2022 08:45:36
%S A142369 347,911,1193,1381,1663,2039,2791,3167,3449,3637,3919,4013,4201,4483,
%T A142369 5987,6269,6551,6833,7867,8243,8431,8713,8807,9277,9371,10499,10687,
%U A142369 10781,11251,11909,12097,12379,12473,13037,13789,13883,14071,14447,15199,16139,16421
%N A142369 Primes congruent to 18 mod 47.
%H A142369 Vincenzo Librandi, <a href="/A142369/b142369.txt">Table of n, a(n) for n = 1..1000</a>
%F A142369 a(n) ~ 46n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t A142369 Select[Prime[Range[2500]],MemberQ[{18},Mod[#,47]]&] (* _Vincenzo Librandi_, Aug 27 2012 *)
%t A142369 Select[Range[18,17000,47],PrimeQ] (* _Harvey P. Dale_, Mar 06 2016 *)
%o A142369 (Magma) [p: p in PrimesUpTo(18000) | p mod 47 eq 18]; // _Vincenzo Librandi_, Aug 27 2012
%o A142369 (PARI) is(n)=isprime(n) && n%47==18 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y A142369 Cf. A000040.
%K A142369 nonn,easy
%O A142369 1,1
%A A142369 _N. J. A. Sloane_, Jul 11 2008