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 A111369 #21 Sep 08 2022 08:45:21 %S A111369 0,2,6,12,14,20,26,30,36,42,50,56,72,80,84,86,90,96,114,120,122,134, %T A111369 140,152,156,164,170,174,180,182,204,206,210,212,216,222,230,236,246, %U A111369 254,260,266,272,282,294,300,306,314,332,342,344,350,356,360,380,384,390 %N A111369 Numbers k such that 13*k + 11 is prime. %H A111369 Daniel Starodubtsev, <a href="/A111369/b111369.txt">Table of n, a(n) for n = 1..10000</a> %e A111369 k=156 is a term because 13*k + 11 = 2039 is prime. %t A111369 Select[Range[0,400,2],PrimeQ[13#+11]&] (* _Harvey P. Dale_, Jun 17 2020 *) %o A111369 (Magma) [n: n in [0..100000] |IsPrime(13*n+11)] // _Vincenzo Librandi_, Nov 13 2010 %o A111369 (PARI) is(n)=isprime(13*n+11) \\ _Charles R Greathouse IV_, Jun 12 2017 %Y A111369 Cf. A102721, A269100. %K A111369 nonn,easy %O A111369 1,2 %A A111369 _Parthasarathy Nambi_, Nov 08 2005