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 A184727 #5 Mar 30 2012 17:25:56 %S A184727 0,0,1,2,2,2,4,2,4,6,5,2,8,2,7,10,8,2,12,2,10,14,11,2,16,10,13,18,14, %T A184727 2,20,2,16,22,17,14,24,2,19,26,20,2,28,2,22,30,23,2,32,14,25,34,26,2, %U A184727 36,22,28,38,29,2,40,2,31,42,32,26 %N A184727 a(n) = A005843(n-1)/A090369(n-1) for n > 2 and a(n) = 0 for n <= 2. %C A184727 a(n) is the "level" of even numbers. %C A184727 The decomposition of even numbers into weight * level + gap is A005843(n) = A090369(n-1) * a(n) + 2 if a(n) > 0. %H A184727 Rémi Eismann, <a href="/A184727/b184727.txt">Table of n, a(n) for n = 1..10000</a> %e A184727 For n = 3 we have A005843(2)/A090369(2)= 4 / 4 = 1; hence a(3) = 1. %e A184727 For n = 24 we have A005843(23)/A090369(23)= 46 / 23 = 2; hence a(24) = 2. %Y A184727 Cf. A005843, A090369, A117078, A117563, A001223. %K A184727 nonn %O A184727 1,4 %A A184727 _Rémi Eismann_, Jan 20 2011