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 A058203 #13 Apr 17 2020 07:50:35 %S A058203 12,16,40,44,64,92,112,208,400,476,568,1528,1916 %N A058203 Numbers n such that x^n + x^10 + 2 is irreducible over GF(3). %o A058203 (PARI) is(k) = polisirreducible(Mod(1, 3)*(x^k + x^10 + 2)); \\ _Jinyuan Wang_, Apr 15 2020 %Y A058203 Cf. A057480. %K A058203 nonn,more %O A058203 1,1 %A A058203 _Robert G. Wilson v_, Nov 29 2000 %E A058203 a(12)-a(13) from _Jinyuan Wang_, Apr 15 2020