%I A043142
%S A043142 17,23,66,72,115,119,161,170,213,219,262,268,311,317,360,366,
%T A043142 409,415,458,462,504,513,556,562,605,611,654,660,703,709,752,
%U A043142 758,801,805,833,899,905,948,954,997,1003,1046,1052,1095,1101
%N A043142 Numbers n such that 2 and 3 occur juxtaposed in the base 7 representation 
               of n but not of n-1.
%Y A043142 Sequence in context: A046123 A152292 A039319 this_sequence A043922 A100473 
               A060252
%Y A043142 Adjacent sequences: A043139 A043140 A043141 this_sequence A043143 A043144 
               A043145
%K A043142 nonn,base
%O A043142 1,1
%A A043142 Clark Kimberling (ck6(AT)evansville.edu)