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 A125822 #10 Jul 11 2023 12:34:45 %S A125822 2,5,17,35,65,71,77,80,101,107,110,131,161,185,212,215,260,266,332, %T A125822 341,350,371,407,416,491,500,506,527,530,542,560,581,590,626,677,680, %U A125822 707,731,761,806,821,836,845,932 %N A125822 Numbers k for which 8*k + 1 and 8*k + 3 are twin primes. %H A125822 Amiram Eldar, <a href="/A125822/b125822.txt">Table of n, a(n) for n = 1..10000</a> %t A125822 Do[If[PrimeQ[8n + 1] && PrimeQ[8n + 3], Print[n]], {n, 1, 1000}] %t A125822 Select[Range[1000],AllTrue[8#+{1,3},PrimeQ]&] (* _Harvey P. Dale_, Jul 11 2023 *) %Y A125822 Cf. A001109, A125821. %K A125822 nonn %O A125822 1,1 %A A125822 _Artur Jasinski_, Dec 10 2006