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%I #5 Oct 09 2013 14:20:20
%S 0,10,1,11,2,12,3,13,4,14,5,15,6,16,7,17,8,18,9,19,100,20,101,21,102,
%T 22,103,23,104,24,105,25,106,26,107,27,108,28,109,29,110,30,111,31,
%U 112,32,113,33,114,34,115,35,116,36,117,37,118,38,119,39,120,40,121,41,122,42
%N Smallest a(n) not already in the sequence and not having the same length as a(n-1).
%C The length of an integer is the number of its digits (10023 has length 5).
%C Bisections give A001633 and A001637. - _David Wasserman_, Feb 26 2008
%K base,easy,nonn
%O 0,2
%A _Eric Angelini_, Oct 01 2004
%E More terms from _Sam Alexander_, Jan 04 2005
%E More terms from _David Wasserman_, Feb 26 2008
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