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 A154406 #8 Nov 12 2017 10:23:56 %S A154406 19,73,109,181,199,271,433,523,811,829,883,1063,1153,1279,1621,1873, %T A154406 1999,2089,2143,2269,2341,2593,2791,2971,3169,3259,3331,3529,3583, %U A154406 3673,3853,4051,4159,4231,4339,4483,4519,4789,4933,4969,5023,5419,5653,5743 %N A154406 Larger twin primes in A061237. %C A154406 All primes == 1 mod 18. %o A154406 (PARI) lista(nn) = forprime(p=2, nn, if (isprime(p-2) && ((p % 9) == 1), print1(p, ", "))); \\ _Michel Marcus_, Nov 12 2017 %Y A154406 Intersection of A006512 and A061237. %K A154406 nonn %O A154406 1,1 %A A154406 _Zak Seidov_, Jan 09 2009