%I A044076
%S A044076 15,31,47,60,79,95,111,124,143,159,175,188,207,223,239,271,287,
%T A044076 303,316,335,351,367,380,399,415,431,444,463,479,495,527,543,
%U A044076 559,572,591,607,623,636,655,671,687,700,719,735,751,783,799
%N A044076 Numbers n such that string 3,3 occurs in the base 4 representation of 
               n but not of n-1.
%Y A044076 Sequence in context: A023719 A031467 A045063 this_sequence A125169 A044457 
               A132757
%Y A044076 Adjacent sequences: A044073 A044074 A044075 this_sequence A044077 A044078 
               A044079
%K A044076 nonn,base
%O A044076 1,1
%A A044076 Clark Kimberling (ck6(AT)evansville.edu)