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 A136250 #11 Aug 30 2014 18:57:21 %S A136250 1,2,3,4,5,6,9,10,11,12,14,18,23,26,28,29,30,33,35,36,39,41,50,51,52, %T A136250 53,58,60,65,66,69,74,81,82,83,86,89,90,95,98,99,100,105,106,113,119, %U A136250 130,131,134,135,138,146,148,155,158,162,172,173,174,178,179,180,183,186 %N A136250 Numbers n such that optimal normal basis exists for GF(2^n) over GF(2). %C A136250 An optimal normal basis for GF(2^n) is either of type-1 (A071642) or type-2 (A054639). %H A136250 Joerg Arndt, Mar 17 2008, <a href="/A136250/b136250.txt">Table of n, a(n) for n = 1..240</a> %H A136250 Joerg Arndt, <a href="http://www.jjj.de/fxt/#fxtbook">Matters Computational (The Fxtbook)</a> %Y A136250 Cf. A071642 and A054639. %K A136250 nonn %O A136250 1,2 %A A136250 _Joerg Arndt_, Mar 17 2008 %E A136250 Edited by _N. J. A. Sloane_, Apr 08 2008