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 A054663 #16 Jul 02 2025 16:01:59 %S A054663 1,2,8,30,124,516,2232,9750,43400,195248,887784,4068740,18780048, %T A054663 87191964,406900992,1907343750,8975758272,42385503300,200773540296, %U A054663 953674218720,4541306267856,21674415838068,103660251783288 %N A054663 Number of monic irreducible polynomials over GF(5) with zero trace. %C A054663 Also number of 5-ary Lyndon words with trace 0 mod 5; also number of Lyndon words of trace 0 over GF(5). - _Frank Ruskey_ and Nate Kube, Sep 11 2002 %H A054663 F. Ruskey, <a href="http://combos.org/Tpoly">Number of monic irreducible polynomials over GF(q) with given trace</a> %H A054663 F. Ruskey, <a href="http://combos.org/TlyndonZk">Number of q-ary Lyndon words with given trace mod q</a> %H A054663 F. Ruskey, <a href="http://combos.org/TlyndonFk">Number of Lyndon words over GF(q) with given trace</a> %Y A054663 Cf. A000048, A051841, A046211, A046209, A054661, etc. %K A054663 nonn,easy %O A054663 1,2 %A A054663 _N. J. A. Sloane_, Apr 18 2000 %E A054663 More terms from _James Sellers_, Apr 19 2000