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 A142670 #9 Nov 23 2023 14:08:11
%S A142670 179,293,521,863,977,1091,1319,1433,1889,2003,2459,2687,2801,3257,
%T A142670 3371,4283,4397,4967,5081,5309,5651,5879,6221,6449,6563,6791,7019,
%U A142670 7247,7589,7703,7817,8273,8387,8501,9413,10211,10667,10781,11351,11579,11807,12149
%N A142670 Primes congruent to 8 mod 57.
%H A142670 Vincenzo Librandi, <a href="/A142670/b142670.txt">Table of n, a(n) for n = 1..1000</a>
%t A142670 Select[Prime[Range[2300]], MemberQ[{8}, Mod[#, 57]] &] (* _Vincenzo Librandi_, Sep 01 2012 *)
%t A142670 Select[Range[8,12500,57],PrimeQ] (* _Harvey P. Dale_, Nov 23 2023 *)
%o A142670 (Magma) [p: p in PrimesUpTo(13000) | p mod 57 eq 8 ]; // _Vincenzo Librandi_, Sep 01 2012
%Y A142670 Cf. A000040.
%K A142670 nonn,easy
%O A142670 1,1
%A A142670 _N. J. A. Sloane_, Jul 11 2008