%I A060140
%S A060140 0,1,3,9,10,27,28,30,81,82,84,90,91,243,244,246,252,253,270,271,273,
%T A060140 729,730,732,738,739,756,757,759,810,811,813,819,820,2187,2188,2190,
%U A060140 2196,2197,2214,2215,2217,2268,2269,2271,2277,2278,2430,2431,2433,2439
%N A060140 Ordered set S defined by these rules: 0 and 1 are in S and if x is a 
               nonzero number in S, then 3x and 9x+1 are in S.
%C A060140 The numbers of the form 9x+1 occupy the same positions in S that 1 occupies 
               in the infinite Fibonacci word (A003849).
%D A060140 Preprint available from Clark Kimberling
%Y A060140 Sequence in context: A092169 A093108 A077560 this_sequence A025616 A136852 
               A031115
%Y A060140 Adjacent sequences: A060137 A060138 A060139 this_sequence A060141 A060142 
               A060143
%K A060140 nonn
%O A060140 0,3
%A A060140 Clark Kimberling (ck6(AT)evansville.edu), Mar 05 2001