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 A103892 #18 Jan 26 2025 09:07:57 %S A103892 2,2,5,5,1571,2693,15427,27749,4154449757,151585363459003, %T A103892 73899633146196133,24770877398207,1429176066859677377, %U A103892 7748318379505746557,21662673895172922098651,447620901583917369406703727865417431168683,26823894708473887265117477378744683922119 %N A103892 Greatest prime factor of prime(n)! / prime(n)# + 1. %H A103892 Amiram Eldar, <a href="/A103892/b103892.txt">Table of n, a(n) for n = 1..30</a> %H A103892 Reinhard Zumkeller, <a href="/A103890/a103890.txt">prime(n)! / prime(n)# + 1</a>. %F A103892 a(n) = A006530(A103890(n)). %Y A103892 Cf. A006530, A103857, A103890, A103891. %K A103892 nonn %O A103892 1,1 %A A103892 _Reinhard Zumkeller_, Feb 20 2005