%I
%S 100,200,300,400,500,600,700,800,900,1000,1100,1200,1300,1400,1500,
%T 1600,1700,1800,1900,2000,2100,2200,2300,2400,2500,2600,2700,2800,
%U 2900,3000,3100,3200,3300,3400,3500,3600,3700,3800
%N Numbers n such that string 0,0 occurs in the base 10 representation of n but not of n1.
%C Every element is a multiple of 100. The smallest positive multiple of 100 not in the sequence is 10100.  _David W. Wilson_, Aug 03 2005
%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/NonRecursions.html">Non Recursions</a>
%K nonn,base
%O 1,1
%A _Clark Kimberling_
