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 A174046 #12 Jul 22 2017 09:16:06 %S A174046 2,3,4,6,14,16,29,356,358,359,403,446,464,485,652,655,764,861,866, %T A174046 1123,1301,1304,1324,1328,1358,1486,1610,2631,2632,3735,3931,3953, %U A174046 3956,3957,4679,4855,4931,5222,5226,5269,5283,5292,5403,5427,5445 %N A174046 Places n for which A001359(n) and A023200(n) is a twin prime pair. %H A174046 Michel Marcus, <a href="/A174046/b174046.txt">Table of n, a(n) for n = 1..149</a> %e A174046 2 is in the sequence because A001359(2)=5 and A023200(2)=7 are twin primes. %o A174046 (PARI) lista(nn) = {vp = primes(nn); va = select(x->isprime(x+2), vp); vb = select(x->isprime(x+4), vp); for (n=1, min(#va, #vb), if (vb[n] == va[n]+2, print1(n, ", ")););} \\ _Michel Marcus_, Jul 22 2017 %Y A174046 Cf. A023200, A001359, A046132, A006512, A174042 %K A174046 nonn %O A174046 1,1 %A A174046 _Vladimir Shevelev_, Mar 06 2010 %E A174046 Terms beyond 29 from _R. J. Mathar_, Nov 03 2011 %E A174046 Edited by _Michel Marcus_, Jul 22 2017