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%I #7 Oct 09 2013 14:20:19
%S 10,1010,1011,11,110,1012,12,120,20,2010,1013,13,130,30,3010,1014,14,
%T 140,40,4010,1015,15,150,50,5010,1016,16,160,60,6010,1017,17,170,70,
%U 7010,1018,18,180,80,8010,1019,19,190,90,9010,1020,2011,111,112,121,21
%N a(n+1) = least positive integer not already used that begins with the last two digits of a(n).
%C The 2nd to last digit of a(n) is not allowed to be 0. - _Sam Alexander_, Jan 04 2005
%K base,easy,nonn
%O 1,1
%A _Eric Angelini_, Oct 01 2004
%E More terms from _Sam Alexander_, Jan 04 2005
%E Corrected and extended by _David Wasserman_, Feb 26 2008
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