Search: id:A113504
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%I A113504
%S A113504 1,1,2,0,3,1,1,0,5,2,2,0,2,0,0,0,8,2,2,0,2,0,0,0,2,0,0,0,0,0,0,0,13,2,
               2,
%T A113504 1,2,1,1,0,2,1,1,0,1,0,0,0,2,1,1,0,1,0,0,0,1,0,0,0,0,0,0,0,28,2,2,2,2,
               2,
%U A113504 2,0,2,2,2,0,2,0,0,0,2,2,2,0,2,0,0,0,2,0,0,0,0,0,0,0,2,2,2,0,2,0,0,0,2
%N A113504 a(0) = 1. For n >= 1, a(n) = number of earlier terms of the sequence 
               that have the same number of ones in their binary representations 
               as n.
%C A113504 A115211(n) = A00120(a(n)) = number of ones in binary representation of 
               a(n) for n>0; record values: A115212(n) = a(A115213(n)). - Reinhard 
               Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 17 2006
%H A113504 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%e A113504 The first 8 terms (terms 0 through 7) written in binary are [1,1,10,0,
               11,1,1,0]. Term 8 gives the number of earlier terms with the same 
               number of 1's in their binary representation as 8 (which is 1000 
               in binary, for one 1). a(8) = 5 because there are five terms among 
               the earlier terms with one binary 1 (terms with one 1: 1, 1, 2, 1 
               and 1).
%Y A113504 Cf. A113503, A000120.
%Y A113504 Sequence in context: A144955 A002187 A124756 this_sequence A124754 A047983 
               A070812
%Y A113504 Adjacent sequences: A113501 A113502 A113503 this_sequence A113505 A113506 
               A113507
%K A113504 nonn
%O A113504 0,3
%A A113504 Leroy Quet, Jan 10 2006
%E A113504 More terms from Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), 
               Jan 17 2006

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