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 A124192 #16 Jan 27 2025 14:33:53 %S A124192 0,1,7,13,22,28,43,52,82,103,127,136,178,181,202,208,223,241,253,283, %T A124192 292,406,412,421,433,442,481,502,511,532,568,598,616,637,706,733,766, %U A124192 787,832,847,853,868,901,913,916,943 %N A124192 Numbers k for which 8*k + 3 and 8*k + 5 are twin primes. %H A124192 Amiram Eldar, <a href="/A124192/b124192.txt">Table of n, a(n) for n = 1..10000</a> %e A124192 0 is a term since 8*0 + 3 = 3 and 8*0 + 5 = 5 are twin primes. %t A124192 Do[If[PrimeQ[8n + 3] && PrimeQ[8n + 5], Print[n]], {n, 1, 1000}] %o A124192 (Magma) [k:k in [0..1000]|IsPrime(8*k+3) and IsPrime(8*k+5)]; // _Marius A. Burtea_, Dec 19 2019 %Y A124192 Cf. A001109, A125821, A125822. %K A124192 nonn %O A124192 1,3 %A A124192 _Artur Jasinski_, Dec 10 2006 %E A124192 a(1) inserted by _Amiram Eldar_, Dec 19 2019