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 A141913 #20 Sep 08 2022 08:45:35 %S A141913 101,193,239,331,607,653,883,929,1021,1297,1481,1619,1987,2309,2447, %T A141913 2539,2677,2861,2953,2999,3137,3229,3413,3643,3919,4057,4241,4517, %U A141913 4793,4931,5023,5437,5483,5851,5897,6173,6311,6449,6679,6863,7001,7369,7507,7691 %N A141913 Primes congruent to 9 mod 23. %H A141913 Vincenzo Librandi, <a href="/A141913/b141913.txt">Table of n, a(n) for n = 1..1000</a> %F A141913 a(n) ~ 22n log n. - _Charles R Greathouse IV_, Jul 03 2016 %t A141913 Select[Range[9,10000,23],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 05 2011 *) %t A141913 Select[Prime[Range[1000]],Mod[#,23]==9&] (* _Harvey P. Dale_, Dec 14 2020 *) %o A141913 (Magma) [p: p in PrimesUpTo(8000) | p mod 23 eq 9 ]; // _Vincenzo Librandi_, Aug 16 2012 %o A141913 (PARI) is(n)=isprime(n) && n%23==9 \\ _Charles R Greathouse IV_, Jul 03 2016 %Y A141913 Cf. A000040, A040984, A141908, A100201. %K A141913 nonn,easy %O A141913 1,1 %A A141913 _N. J. A. Sloane_, Jul 11 2008