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 A171518 #8 Feb 10 2025 17:28:18
%S A171518 5,7,13,17,53,73,83,113,127,157,193,223,277,347,367,433,613,647,673,
%T A171518 743,797,907,937,1117,1217,1373,1427,1483,1543,1597,1637,1667,1877,
%U A171518 1933,2027,2237,2297,2447,2647,2687,2843,3083,3137,3613,3797,4073,4463,4483
%N A171518 Primes p such that 3*p-+8 are primes.
%H A171518 Vincenzo Librandi, <a href="/A171518/b171518.txt">Table of n, a(n) for n = 1..3000</a>
%e A171518 5 is in the sequence since 3*5-8=7 and 3*5+8=23 are primes.
%t A171518 Select[Prime[Range[7! ]],PrimeQ[3*#-8]&&PrimeQ[3*#+8]&]
%t A171518 Select[Prime[Range[700]],AllTrue[3#+{8,-8},PrimeQ]&] (* _Harvey P. Dale_, Feb 10 2025 *)
%Y A171518 Cf. A000040, A005382, A005384, A023204-A023207, A063908-A063912, A103803, A124098, A125272, A171517
%K A171518 nonn
%O A171518 1,1
%A A171518 _Vladimir Joseph Stephan Orlovsky_, Dec 10 2009