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 A126422 #12 Mar 13 2020 13:01:33
%S A126422 13,251,619,1289,2393,6551,14629,28547,65519,159979,279817,456949,
%T A126422 2313401,2559959,3111653,3748051,6249949,7890427,9150569,10555943,
%U A126422 12959939,13845779,21381307,25411609,35152963,38950001,45212093
%N A126422 Primes of the form k^4-k-1.
%H A126422 Amiram Eldar, <a href="/A126422/b126422.txt">Table of n, a(n) for n = 1..10000</a>
%F A126422 a(n) = A126423(A126424(n)). - _Amiram Eldar_, Mar 13 2020
%t A126422 a = {}; Do[If[PrimeQ[x^4 - x - 1], AppendTo[a, x^4 - x - 1]], {x, 1, 100}]; a
%t A126422 Select[Table[n^4-n-1,{n,100}],PrimeQ] (* _Harvey P. Dale_, Aug 27 2013 *)
%Y A126422 Cf. A002327, A002328, A116581, A126420, A126421, A126423, A126424.
%K A126422 nonn
%O A126422 1,1
%A A126422 _Artur Jasinski_, Dec 26 2006
%E A126422 Definition corrected by _Charles R Greathouse IV_, Mar 11 2008