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 A142427 #11 Sep 08 2022 08:45:36
%S A142427 163,359,457,653,751,947,2221,2417,2711,3299,3593,3691,5651,5749,6043,
%T A142427 6337,6827,7121,7219,8101,8297,8689,9277,9473,9767,10061,10159,10453,
%U A142427 11923,12119,12413,12511,13001,13099,13687,13883,14177,15451,15647,16333,16529,16823
%N A142427 Primes congruent to 16 mod 49.
%H A142427 Vincenzo Librandi, <a href="/A142427/b142427.txt">Table of n, a(n) for n = 1..1000</a>
%F A142427 a(n) ~ 42n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t A142427 Select[Prime[Range[2500]], MemberQ[{16}, Mod[#,49]] &] (* _Vincenzo Librandi_, Aug 28 2012 *)
%t A142427 Select[Range[16,17000,49],PrimeQ] (* _Harvey P. Dale_, Mar 06 2019 *)
%o A142427 (Magma) [p: p in PrimesUpTo(17000) | p mod 49 eq 16]; // _Vincenzo Librandi_, Aug 28 2012
%o A142427 (PARI) is(n)=isprime(n) && n%49==16 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y A142427 Cf. A000040.
%K A142427 nonn,easy
%O A142427 1,1
%A A142427 _N. J. A. Sloane_, Jul 11 2008