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 A141980 #21 Dec 24 2022 13:09:32 %S A141980 149,439,613,787,1019,1193,1367,1483,1657,1831,1889,2063,2179,2237, %T A141980 2411,3049,3571,3803,3919,4093,4441,4673,4789,5021,5659,5717,6007, %U A141980 6529,6703,6761,7109,7283,7457,7573,8269,8443,8501,8849,9371,9661,9719,10009,10067 %N A141980 Primes congruent to 4 mod 29. %H A141980 Vincenzo Librandi, <a href="/A141980/b141980.txt">Table of n, a(n) for n = 1..1000</a> %F A141980 a(n) ~ 28n log n. - _Charles R Greathouse IV_, Jul 03 2016 %t A141980 Select[Range[4,10000,29],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 06 2011 *) %t A141980 Select[Prime[Range[1500]],Mod[#,29]==4&] (* _Harvey P. Dale_, Dec 24 2022 *) %o A141980 (Magma) [ p: p in PrimesUpTo(11000) | p mod 29 eq 4 ]; // _Vincenzo Librandi_, Apr 07 2011 %o A141980 (PARI) is(n)=isprime(n) && n%29==4 \\ _Charles R Greathouse IV_, Jul 03 2016 %Y A141980 Cf. A000040, A141977, A141978. %K A141980 nonn,easy %O A141980 1,1 %A A141980 _N. J. A. Sloane_, Jul 11 2008