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 A090607 #14 Aug 04 2021 03:15:33 %S A090607 7,13,37,97,109,277,313,349,397,613,673,757,937,1429,1609,1693,1873, %T A090607 2269,2293,2377,2689,2797,3457,3673,3697,3877,4933,4969,5437,5569, %U A090607 5857,6577,6733,7669,8233,8677,8929,9133,10177,10333,10729,11257,11593,12097 %N A090607 Primes of the form 6*p - 5 such that p and 6*p - 1 are primes. %F A090607 a(n) = 6*A089144(n) - 5. %o A090607 (PARI) lista(nn) = forprime(p=2, nn, if(isprime(6*p-1)&&isprime(6*p-5), print1(6*p-5, ", "))); \\ _Jinyuan Wang_, Aug 04 2021 %Y A090607 Cf. A089144, A090606, A090608, A090609, A090610. %K A090607 nonn,easy %O A090607 1,1 %A A090607 _Ray Chandler_, Dec 06 2003 %E A090607 Name clarified by _Jinyuan Wang_, Aug 03 2021