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 A023211 #24 Sep 08 2022 08:44:47 %S A023211 3,7,11,17,19,23,29,31,43,47,61,67,71,73,89,101,107,109,113,137,149, %T A023211 151,163,179,197,199,211,227,233,239,241,271,281,283,337,347,353,359, %U A023211 373,397,401,409,431,439,457,463,479,487,491,523,563,571,577,593,607,617,619,641 %N A023211 Primes p such that 3*p + 10 is also prime. %H A023211 Vincenzo Librandi, <a href="/A023211/b023211.txt">Table of n, a(n) for n = 1..1000</a> %t A023211 Select[Prime@Range@500, PrimeQ[3 # + 10] &] (* _Vincenzo Librandi_, May 19 2014 *) %o A023211 (Magma) [n: n in [0..1000] | IsPrime(n) and IsPrime(3*n+10)]; // _Vincenzo Librandi_, Nov 20 2010 %K A023211 nonn,easy %O A023211 1,1 %A A023211 _David W. Wilson_