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 A062591 #16 Apr 19 2025 11:07:13 %S A062591 7,13,37,30241,241921,2177281,2874009601,37362124801, %T A062591 38414242234368001,3722690410399436636160001, %U A062591 3138135704799606670560043344600445747200000001 %N A062591 Primes of the form 6*k! + 1. %F A062591 a(n) = A173314(A076682(n+1)). - _Elmo R. Oliveira_, Apr 17 2025 %t A062591 Select[6Range[100]! + 1, PrimeQ] (* _Alonso del Arte_, Sep 27 2013 *) %o A062591 (PARI) for(n=1,50, if(isprime(6*n!+1),print(6*n!+1))) %Y A062591 Cf. A076682, A173314. %K A062591 nonn %O A062591 1,1 %A A062591 _Jason Earls_, Jul 10 2001