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 A141989 #21 Sep 08 2022 08:45:35 %S A141989 13,71,419,593,709,883,941,1231,1289,1579,1637,1753,1811,2333,2797, %T A141989 2971,3203,3319,4073,4363,4421,4943,5059,5233,5407,5581,5639,5813, %U A141989 5987,6277,6451,6857,7321,7669,7727,7901,8017,8191,8423,8539,8597,8713,8887,9293 %N A141989 Primes congruent to 13 mod 29. %H A141989 Vincenzo Librandi, <a href="/A141989/b141989.txt">Table of n, a(n) for n = 1..1000</a> %F A141989 a(n) ~ 28n log n. - _Charles R Greathouse IV_, Jul 02 2016 %t A141989 Select[Range[13,10000,29],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 06 2011 *) %o A141989 (Magma) [p: p in PrimesUpTo(10000) | p mod 29 eq 13 ]; // _Vincenzo Librandi_, Aug 17 2012 %o A141989 (PARI) is(n)=isprime(n) && n%29==13 \\ _Charles R Greathouse IV_, Jul 02 2016 %Y A141989 Cf. A000040. %K A141989 nonn,easy %O A141989 1,1 %A A141989 _N. J. A. Sloane_, Jul 11 2008