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 A139531 #12 Sep 08 2022 08:45:33
%S A139531 0,1,3,4,5,9,10,11,14,16,18,21,23,24,25,26,31,33,35,36,38,39,40,43,45,
%T A139531 49,50,53,56,58,59,61,64,66,70,71,78,79,86,88,89,94,95,99,100,101,108,
%U A139531 109,110,113,114,115,116,120,123,126,128,130,133,135,138,143,149,150
%N A139531 Numbers k such that 24*k + 17 is prime.
%t A139531 a = {}; Do[If[PrimeQ[24 n + 17], AppendTo[a, n]], {n, 0, 200}]; a
%t A139531 Select[Range[0,200],PrimeQ[24#+17]&] (* _Harvey P. Dale_, Apr 18 2011 *)
%o A139531 (Magma) [n: n in [0..200] | IsPrime(24*n+17)]; // _Vincenzo Librandi_, Apr 19 2011
%K A139531 nonn
%O A139531 1,3
%A A139531 _Artur Jasinski_, Apr 25 2008