Search: id:A140191
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%I A140191
%S A140191 1,1,1,2,1,1,2,3,1,2,1,3,2,3,3,6,1,1,2,3,1,2,3,5,2,3,3,6,3,5,6,11,1,2,
               1,3,
%T A140191 2,3,3,6,1,3,2,5,3,6,5,11,2,3,3,6,3,5,6,11,3,6,5,11,6,11,11,22,1,1,2,3,
%U A140191 1,2,3,5,2,3,3,6,3,5,6,11,1,2,3,5,2,5,5,10,3,5,6,11,5,10,11,21,2,3,3,6
%N A140191 Fix e = 3; a(n) gives number of multiples ke (0 <= k <= n/e) which are 
               children of n.
%C A140191 A number m is a child of n if the binary representation of n has a 1 
               in every position where the binary representation of m has a 1.
%H A140191 Nadia Heninger and N. J. A. Sloane, <a href="b140191.txt">Table of n, 
               a(n) for n = 0..3000</a>
%H A140191 N. J. A. Sloane, <a href="a140191.f.txt">Fortran program for this and 
               related sequences</a>
%o A140191 See link for Fortran program.
%Y A140191 Cf. A140192-A140195.
%Y A140191 Sequence in context: A152650 A161789 A141289 this_sequence A048207 A105810 
               A063726
%Y A140191 Adjacent sequences: A140188 A140189 A140190 this_sequence A140192 A140193 
               A140194
%K A140191 nonn
%O A140191 0,4
%A A140191 Nadia Heninger (nadiah(AT)cs.princeton.edu) and N. J. A. Sloane (njas(AT)research.att.com), 
               Jun 06 2008

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