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 A058234 #12 Apr 17 2020 07:49:50 %S A058234 4,16,52,76,236,376,380,1064,1460,4600,5204 %N A058234 Numbers n such that x^n + x^9 + 2 is irreducible over GF(3). %C A058234 All terms are even, as 2 is a root if n is odd. - _Robert Israel_, Dec 31 2015 %p A058234 select(n -> Irreduc(x^n + x^9 + 2) mod 3, 2*[$1..1000]); # _Robert Israel_, Dec 31 2015 %Y A058234 Cf. A057479. %K A058234 nonn,more %O A058234 1,1 %A A058234 _Robert G. Wilson v_, Dec 01 2000 %E A058234 a(10) and a(11) from _Robert Israel_, Dec 31 2015