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 A141978 #20 Sep 08 2022 08:45:35
%S A141978 2,31,89,263,379,727,1249,1307,1423,1481,1597,2003,2293,2351,2467,
%T A141978 2699,3163,3221,3511,3917,4091,4729,4787,4903,5077,5309,5483,5657,
%U A141978 6121,6353,6469,6701,6991,7687,7919,8093,8209,8731,8963,9137,9311,9601,9833,9949
%N A141978 Primes congruent to 2 mod 29.
%H A141978 Vincenzo Librandi, <a href="/A141978/b141978.txt">Table of n, a(n) for n = 1..1000</a>
%F A141978 {2} UNION A142715. - _R. J. Mathar_, Jul 20 2008
%t A141978 Select[Range[2,20000,29],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 06 2011 *)
%o A141978 (Magma) [ p: p in PrimesUpTo(11000) | p mod 29 eq 2 ]; // _Vincenzo Librandi_, Apr 07 2011
%o A141978 (PARI) is(n)=isprime(n) && n%29==2 \\ _Charles R Greathouse IV_, Jul 01 2016
%Y A141978 Cf. A000040, A141977.
%K A141978 nonn,easy
%O A141978 1,1
%A A141978 _N. J. A. Sloane_, Jul 11 2008