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 A184726 #6 Mar 30 2012 17:25:56 %S A184726 0,0,1,1,1,3,1,1,5,1,1,7,1,5,9,1,1,11,7,1,13,1,1,15,1,7,17,1,11,19,1, %T A184726 1,21,13,1,23,1,1,25,11,1,27,1,17,29,1,13,31,19,1,33,1,1,35,1,1,37,1, %U A184726 23,39,17,11,41,25,1,43,1,19,45,1,1,47 %N A184726 a(n) = A005408(n-1)/A090368(n-1) for n > 2 and a(n) = 0 for n <= 2. %C A184726 a(n) is the "level" of odd numbers. %C A184726 The decomposition of odd numbers into weight * level + gap is A005408(n) = A090368(n-1) * a(n) + 2 if a(n) > 0. %H A184726 Rémi Eismann, <a href="/A184726/b184726.txt">Table of n, a(n) for n = 1..10000</a> %e A184726 For n = 3 we have A005408(2)/A090368(2)= 3 / 3 = 1; hence a(3) = 1. %e A184726 For n = 24 we have A005408(23)/A090368(23)= 45 / 3 = 14; hence a(24) = 15. %Y A184726 Cf. A005408, A090368, A117078, A117563, A001223. %K A184726 nonn %O A184726 1,6 %A A184726 _Rémi Eismann_, Jan 20 2011