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 A045437 #20 Sep 08 2022 08:44:56 %S A045437 3,17,31,59,73,101,157,199,227,241,269,283,311,353,367,409,479,521, %T A045437 563,577,619,647,661,773,787,829,857,941,983,997,1039,1109,1123,1151, %U A045437 1193,1249,1277,1291,1319,1361,1459,1487,1543,1571,1613,1627,1669,1697,1753 %N A045437 Primes congruent to 3 mod 7. %C A045437 Also primes congruent to 3 mod 14. %H A045437 Vincenzo Librandi, <a href="/A045437/b045437.txt">Table of n, a(n) for n = 1..1000</a> %t A045437 Select[Range[3, 50000, 7], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 13 2011 *) %o A045437 (Magma) [p: p in PrimesUpTo(2000) | p mod 7 eq 3]; // _Vincenzo Librandi_, Aug 06 2012 %o A045437 (PARI) is(n)=isprime(n) && n%7==3 \\ _Charles R Greathouse IV_, Jul 01 2016 %Y A045437 Primes arising in sequences A024903, A033868, A089033, A090614. %Y A045437 A090613 gives prime index. %K A045437 nonn,easy %O A045437 1,1 %A A045437 _N. J. A. Sloane_ %E A045437 Extended by _Ray Chandler_, Dec 23 2003