%I #5 Mar 30 2012 18:56:44
%S 8,17,26,35,44,53,62,80,89,98,107,116,125,134,143,161,170,179,188,197,
%T 206,242,251,260,269,278,287,296,305,323,332,341,350,359,368,377,386,
%U 404,413,422,431,440,449,485,494,503,512,521
%N Numbers n such that string 2,2 occurs in the base 3 representation of n but not of n+1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_