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 A272571 #29 Sep 08 2022 08:46:16
%S A272571 3,19,631,1303,6571,14653,20749,38431,331801,457003,1048609,1679653,
%T A272571 3748141,4879729,12960061,22667191,26873929,29986651,35153119,
%U A272571 62742331,65610091,108243319,131079709,200534041,252047503,294500053,454372003,466949029,639129121
%N A272571 Primes of the form n^4 + n + 1 with n positive.
%H A272571 Vincenzo Librandi, <a href="/A272571/b272571.txt">Table of n, a(n) for n = 1..1000</a>
%t A272571 Select[Table[n^4 + n + 1, {n, 100}], PrimeQ]
%o A272571 (Magma) [a: n in [0..200] | IsPrime(a) where a is n^4+n+1];
%o A272571 (PARI) lista(nn) = {for(n=1, nn, if(ispseudoprime(p=n^4+n+1), print1(p, ", "))); } \\ _Altug Alkan_, May 04 2016
%Y A272571 Cf. A002383, A245488, A272572.
%K A272571 nonn
%O A272571 1,1
%A A272571 _Vincenzo Librandi_, May 03 2016