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 A139483 #6 Jun 06 2017 14:26:06 %S A139483 0,1,3,4,5,6,8,9,11,15,18,19,20,25,26,30,31,34,38,40,41,43,44,45,51, %T A139483 53,54,55,58,59,60,61,64,65,69,73,74,76,78,81,83,89,93,95,96,99,104, %U A139483 106,110,111,113,115,116,120,128,136,138,139,141,144,146,148,149,150,151 %N A139483 Numbers n such that 24n+7 is prime. %t A139483 a = {}; Do[If[PrimeQ[24 n + 7], AppendTo[a, n]], {n, 0, 200}]; a %t A139483 Select[Range[0,200],PrimeQ[24#+7]&] (* _Harvey P. Dale_, Sep 02 2015 *) %o A139483 (PARI) is(n)=isprime(24*n+7) \\ _Charles R Greathouse IV_, Jun 06 2017 %Y A139483 Cf. A107006, A124477, A139479. %K A139483 nonn,easy %O A139483 1,3 %A A139483 _Artur Jasinski_, Apr 23 2008