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 A111225 #18 Oct 28 2024 18:45:27 %S A111225 1,3,7,9,13,15,19,21,31,33,37,43,45,51,55,57,61,69,73,75,85,87,91,99, %T A111225 103,111,117,121,127,129,133,135,145,147,153,163,169,171,175,189,195, %U A111225 201,205,211,217,219,223,229,231,237,241,243,255,259,273,283,285,289 %N A111225 Numbers n such that 5*n + 8 is prime. %H A111225 Harvey P. Dale, <a href="/A111225/b111225.txt">Table of n, a(n) for n = 1..1000</a> %e A111225 If n=103 then 5*n + 8 = 523 (prime). %t A111225 Select[Range[300],PrimeQ[5#+8]&] (* _Harvey P. Dale_, Oct 31 2011 *) %o A111225 (Magma) [n: n in [0..100000] |IsPrime(5*n+8)]; // _Vincenzo Librandi_, Sep 03 2010 %o A111225 (PARI) is(n)=isprime(5*n+8) \\ _Charles R Greathouse IV_, Feb 17 2017 %Y A111225 Cf. A024894, A087505, A024897, A081759. %K A111225 nonn %O A111225 1,2 %A A111225 _Parthasarathy Nambi_, Oct 26 2005