%I #7 Feb 15 2016 12:20:51
%S 1,3,4,5,6,7,8,9,10,12,15,17,19,21,24,25,26,27,28,29,30,31,33,34,35,
%T 36,37,38,39,40,41,43,44,45,46,47,48,49,50,51,53,54,55,56,57,58,59,60,
%U 61,63,64,65,66,67,68,69,70,71,73,74,75,76,77,78,79,80,81
%N Successively add the smallest number that is not a substring in decimal representation.
%H Reinhard Zumkeller, <a href="/A261793/b261793.txt">Table of n, a(n) for n = 1..10000</a>
%o (Haskell)
%o a261793 n = a261793_list !! (n-1)
%o a261793_list = iterate (\x -> x + a261794 x) 1
%Y Cf. A031298, A261794, A261795 (first differences), A261806, A260273, A261786
%K nonn,base
%O 1,2
%A _Reinhard Zumkeller_, Sep 01 2015