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 A120024 #17 Sep 29 2024 21:11:07 %S A120024 1,2,3,4,2175 %N A120024 Numbers k such that 2*6^k-1 and 2*6^k+1 are twin primes. %C A120024 No more terms through 10^4. - _Ryan Propper_, Dec 31 2007 %C A120024 No more terms through 2.5*10^5, using comments in A057472, A120023. - _Michael S. Branicky_, Sep 29 2024 %t A120024 Select[Range[2175],PrimeQ[2*6^#-1]&&PrimeQ[2*6^#+1]&] (* _James C. McMahon_, Sep 24 2024 *) %Y A120024 Intersection of A057472 and A120023. %K A120024 more,nonn %O A120024 1,2 %A A120024 _Pierre CAMI_, Jun 04 2006