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 A142017 #16 Sep 08 2022 08:45:35 %S A142017 13,137,199,509,571,757,881,1129,1439,1811,1873,1997,2617,2741,2803, %T A142017 2927,3299,3361,3547,3671,3733,3919,4229,4663,4787,4973,5407,5531, %U A142017 5717,5779,5903,6089,6151,6337,6709,6833,7019,7577,7639,7949,8011,8693,8941,9127 %N A142017 Primes congruent to 13 mod 31. %H A142017 Vincenzo Librandi, <a href="/A142017/b142017.txt">Table of n, a(n) for n = 1..1000</a> %F A142017 a(n) ~ 30n log n. - _Charles R Greathouse IV_, Jul 03 2016 %t A142017 Select[Range[13,20000,31],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 20 2011 *) %o A142017 (Magma) [ p: p in PrimesUpTo(30000) | p mod 31 eq 13 ]; // _Vincenzo Librandi_, Apr 20 2011 %o A142017 (PARI) is(n)=isprime(n) && n%31==13 \\ _Charles R Greathouse IV_, Jul 03 2016 %Y A142017 Cf. A000040, A142005, A142006. %K A142017 nonn,easy %O A142017 1,1 %A A142017 _N. J. A. Sloane_, Jul 11 2008