%I A043148
%S A043148 27,45,76,94,125,143,174,189,223,241,272,290,315,339,370,388,
%T A043148 419,437,468,486,517,532,566,584,615,633,658,682,713,731,762,
%U A043148 780,811,829,860,875,909,927,958,976,1001,1025,1056,1074,1105
%N A043148 Numbers n such that 3 and 6 occur juxtaposed in the base 7 representation 
               of n but not of n-1.
%Y A043148 Sequence in context: A046373 A113481 A039325 this_sequence A043928 A059658 
               A153260
%Y A043148 Adjacent sequences: A043145 A043146 A043147 this_sequence A043149 A043150 
               A043151
%K A043148 nonn,base
%O A043148 1,1
%A A043148 Clark Kimberling (ck6(AT)evansville.edu)