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 A057478 #15 Nov 29 2022 01:19:42 %S A057478 9,15,39,105,119,153,177,209,3143,13169,19833,33567,53129,64439,88871, %T A057478 109865,122945,138543 %N A057478 Numbers k such that x^k + x^8 + 1 is irreducible over GF(2). %C A057478 Any subsequent terms are > 300000. - _Lucas A. Brown_, Nov 28 2022 %H A057478 Lucas A. Brown, <a href="https://github.com/lucasaugustus/oeis/blob/main/irred_trinom_f2.py">Python program</a>. %H A057478 Lucas A. Brown, <a href="https://github.com/lucasaugustus/oeis/blob/main/irred_trinom_f2.sage">Sage program</a>. %o A057478 (PARI) is(k) = polisirreducible(Mod(1, 2)*(x^k + x^8 + 1)); \\ _Jinyuan Wang_, Apr 15 2020 %Y A057478 Cf. A002475. %K A057478 nonn,more %O A057478 1,1 %A A057478 _Robert G. Wilson v_, Sep 27 2000 %E A057478 a(9) from _Jinyuan Wang_, Apr 15 2020 %E A057478 a(10)-a(18) from _Lucas A. Brown_, Nov 28 2022