cp's OEIS Frontend

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.

A126424 Numbers k for which k^4-k-1 is prime.

This page as a plain text file.
%I A126424 #12 Mar 13 2020 13:01:12
%S A126424 2,4,5,6,7,9,11,13,16,20,23,26,39,40,42,44,50,53,55,57,60,61,68,71,77,
%T A126424 79,82,92,110,111,112,123,137,139,140,147,153,154,156,169,172,174,177,
%U A126424 183,187,189,193,198,207,214,229,230,231,239,251,258,259,272,274,279
%N A126424 Numbers k for which k^4-k-1 is prime.
%H A126424 Amiram Eldar, <a href="/A126424/b126424.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..1000 from T. D. Noe)
%t A126424 a = {}; Do[If[PrimeQ[x^4 - x - 1], AppendTo[a, x]], {x, 1, 1000}]; a
%Y A126424 Cf. A002327, A002328, A116581, A126420, A126421, A126422, A126423.
%K A126424 nonn
%O A126424 1,1
%A A126424 _Artur Jasinski_, Dec 26 2006