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 A062538 #18 Apr 19 2025 10:03:45
%S A062538 5,97,20161,161281,1451521,24908083201,83691159552001,
%T A062538 1219553378446855442006016000001,
%U A062538 923374789356965521888370970732110324333114258287231764529152000000000001
%N A062538 Primes of the form 4*k! + 1.
%F A062538 a(n) = A173322(A076680(n+1)). - _Elmo R. Oliveira_, Apr 17 2025
%e A062538 4*4! + 1 = 97, a prime.
%t A062538 lst={};Do[p=4*n!+1;If[PrimeQ[p],AppendTo[lst,p]],{n,0,5!}];lst (* _Vladimir Joseph Stephan Orlovsky_, Jan 28 2009 *)
%t A062538 Select[(4Range[60]!+1),PrimeQ] (* _Harvey P. Dale_, May 08 2024 *)
%o A062538 (PARI) for(n=1,55, if(isprime(4*n!+1),print(4*n!+1)))
%Y A062538 Cf. A076680, A173322.
%K A062538 nonn
%O A062538 1,1
%A A062538 _Jason Earls_, Jul 10 2001