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 A215437 #7 Sep 08 2022 08:46:03
%S A215437 5,367,2012173,1221074417,7450580596938177031
%N A215437 Primes of form 5^k + k^5 - 1.
%H A215437 Vincenzo Librandi, <a href="/A215437/b215437.txt">Table of n, a(n) for n = 1..7</a>
%t A215437 Select[Table[5^n + n^5 - 1, {n, 0, 500}], PrimeQ ]
%o A215437 (Magma) [ a: n in [0..250] | IsPrime(a) where a is 5^n + n^5 - 1 ]
%K A215437 nonn
%O A215437 1,1
%A A215437 _Vincenzo Librandi_, Sep 03 2012