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 A142750 #11 Sep 08 2022 08:45:37
%S A142750 23,613,967,1321,1439,2029,2383,3209,3917,4153,4271,4507,4861,5333,
%T A142750 5569,5923,6277,7103,7457,9109,9227,9463,9817,10289,11351,11587,11941,
%U A142750 12413,13003,13121,13711,13829,14419,14537,14891,16189,16661,17959,18077,18313
%N A142750 Primes congruent to 23 mod 59.
%H A142750 Vincenzo Librandi, <a href="/A142750/b142750.txt">Table of n, a(n) for n = 1..1000</a>
%F A142750 a(n) ~ 58n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t A142750 Select[Prime[Range[2300]], MemberQ[{23}, Mod[#, 59]] &] (* _Vincenzo Librandi_, Sep 03 2012 *)
%t A142750 Select[Range[23,20000,59],PrimeQ] (* _Harvey P. Dale_, Sep 26 2016 *)
%o A142750 (Magma) [p: p in PrimesUpTo(19000) | p mod 59 eq 23 ]; // _Vincenzo Librandi_, Sep 03 2012
%o A142750 (PARI) is(n)=isprime(n) && n%59==23 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y A142750 Cf. A000040.
%K A142750 nonn,easy
%O A142750 1,1
%A A142750 _N. J. A. Sloane_, Jul 11 2008