%I #5 Mar 30 2012 18:56:44
%S 5,23,37,53,69,95,101,117,133,151,165,181,197,215,229,245,261,279,293,
%T 309,383,389,407,421,437,453,471,485,501,517,535,549,565,581,607,613,
%U 629,645,663,677,693,709,727,741,757,773,791
%N Numbers n such that string 1,1 occurs in the base 4 representation of n but not of n+1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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