%I A038103
%S A038103 0,1,2,10,20,21,102,110,210,211,212,220,1011,1112,1121,2022,12101,
%T A038103 12102,12112,12122,10121021,10121022,12222212,102121110,102121120,
%U A038103 200121022,1001120220,2011001102,2012012221,2100221021,2102111111
%N A038103 Numbers n with property that n is a substring of its base 3 representation.
%C A038103 12101 = base 10 -> 121{12101}2 = base 3.
%Y A038103 Cf. A038102-A038106.
%Y A038103 Sequence in context: A030570 A039560 A009342 this_sequence A165551 A139592 
               A120552
%Y A038103 Adjacent sequences: A038100 A038101 A038102 this_sequence A038104 A038105 
               A038106
%K A038103 nonn,base
%O A038103 1,3
%A A038103 Patrick De Geest (pdg(AT)worldofnumbers.com), Feb 15 1999.