%I A104106
%S A104106 1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,0,1,0,1,
%T A104106 1,1,0,1,0,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,
%U A104106 1,0,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,0,1
%N A104106 a(1) = 1, if A(k) = sequence of first 2^k -1 terms, then A(k+1) = A(k), 
               1,A(k) if a(k) = 0, A(k+1) = A(k),0,A(k) if a(k) = 1.
%H A104106 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%t A104106 f[l_]:=Join[l,1-{l[[Log[2,Length[l]+1]]]},l];Nest[f,{1},7] (*Chandler*)
%Y A104106 Cf. A104104, A104105, A104107, A104108.
%Y A104106 Sequence in context: A030308 A120530 A078616 this_sequence A141260 A029883 
               A035263
%Y A104106 Adjacent sequences: A104103 A104104 A104105 this_sequence A104107 A104108 
               A104109
%K A104106 easy,nonn
%O A104106 1,1
%A A104106 Leroy Quet, Mar 04 2005
%E A104106 Edited and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), 
               Apr 05 2009