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 A091213 #7 Mar 31 2012 14:02:20 %S A091213 1,3,4,5,6,7,8,9,10,12,13,14,15,17,18,19,20,22,23,24,25,26,27,28,29, %T A091213 30,31,33,34,35,36,37,38,39,40,42,43,44,45,46,47,48,49,50,51,52,53,54, %U A091213 56,57,58,59,60,61,63,64,65,67,68,69,70,72,73,74,75,76,77,78,79,80,82 %N A091213 A091242-indices of composite GF(2)[X]-polynomials that are also composite integers. %H A091213 A. Karttunen, <a href="/A091247/a091247.scm.txt">Scheme-program for computing this sequence.</a> %H A091213 <a href="/index/Ge#GF2X">Index entries for sequences operating on GF(2)[X]-polynomials</a> %Y A091213 a(n) = A091246(A091212(n)). Complement of A091211. %K A091213 nonn %O A091213 1,2 %A A091213 _Antti Karttunen_, Jan 03 2004