%I #3 Mar 31 2012 13:22:17
%S 1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,21,22,24,25,26,27,28,
%T 29,30,31,32,33,35,36,37,38,39,40,41,42,43,44,46,47,48,49,50,51,52,53,
%U 54,55,57,58,59,60,61,62,63,64,65,66,68,69,70,71,72,73,74,75,76,77,79
%N Smallest number not the concatenation of consecutive earlier terms.
%K easy,nonn,base
%O 1,2
%A _Erich Friedman_
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