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 A091249 #7 Mar 31 2012 14:02:20 %S A091249 2,3,4,5,6,7,9,10,11,12,13,14,15,18,19,20,21,22,24,25,26,27,28,29,30, %T A091249 31,32,33,34,35,36,37,38,39,40,41,43,44,45,48,49,50,51,52,53,56,58,61, %U A091249 64,65,68,70,73,75,76,77,78,80,81,83,84,85,86,87,88,90,91,92,93,94,95 %N A091249 A014580-indices of primitive irreducible GF(2)[X]-polynomials. %H A091249 A. Karttunen, <a href="/A091247/a091247.scm.txt">Scheme-program for computing this sequence.</a> %H A091249 <a href="/index/Ge#GF2X">Index entries for sequences operating on GF(2)[X]-polynomials</a> %Y A091249 a(n) = A091227(A091250(n)). Complement of A091251. %K A091249 nonn %O A091249 1,1 %A A091249 _Antti Karttunen_, Jan 03 2004