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 A153146 #8 Sep 08 2022 08:45:39 %S A153146 11,12,21,24,30,39,45,54,60,66,96,105,126,129,144,156,165,189,201,210, %T A153146 219,234,240,261,264,291,294,306,336,360,369,396,420,429,450,474,486, %U A153146 495,501,516,525,534,555,591,606,639,651,654,690,714,726,735,756,765 %N A153146 Numbers n such that 2*n + 19 and 2*n - 19 are prime. %H A153146 Vincenzo Librandi, <a href="/A153146/b153146.txt">Table of n, a(n) for n = 1..1000</a> %t A153146 Select[Range[7, 4000], PrimeQ[2 # - 19] && PrimeQ[2 # + 19] &] (* _Vincenzo Librandi_, Oct 20 2012 *) %o A153146 (Magma) [n: n in [7..900] | IsPrime(2*n - 19) and IsPrime(2*n + 19)]; // _Vincenzo Librandi_, Oct 20 2012 %Y A153146 Cf. A153041, A097932, A153143. %K A153146 nonn,easy %O A153146 1,1 %A A153146 _Vincenzo Librandi_, Dec 19 2008