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 A141942 #14 Sep 08 2022 08:45:35 %S A141942 19,269,419,569,619,719,769,919,1019,1069,1319,1619,1669,2069,2269, %T A141942 2719,2819,2969,3019,3119,3169,3319,3469,3719,3769,3919,4019,4219, %U A141942 4519,4919,4969,5119,5419,5519,5569,5669,5869,6269,6469,6569,6619,6719,6869,7019 %N A141942 Primes congruent to 19 mod 25. %H A141942 Vincenzo Librandi, <a href="/A141942/b141942.txt">Table of n, a(n) for n = 1..1000</a> %F A141942 a(n) ~ 20n log n. - _Charles R Greathouse IV_, Jul 02 2016 %t A141942 Select[Range[19, 20000, 25], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 15 2011 *) %t A141942 Select[Prime[Range[1000]],Mod[#,25]==19&] (* _Harvey P. Dale_, Nov 18 2021 *) %o A141942 (Magma) [p: p in PrimesUpTo(8000) | p mod 25 eq 19 ]; // _Vincenzo Librandi_, Aug 16 2012 %o A141942 (PARI) is(n)=isprime(n) && n%25==19 \\ _Charles R Greathouse IV_, Jul 02 2016 %Y A141942 Cf. A000040. %K A141942 nonn,easy %O A141942 1,1 %A A141942 _N. J. A. Sloane_, Jul 11 2008