%I A043929
%S A043929 33,39,82,88,131,137,180,186,229,237,279,284,327,333,376,382,
%T A043929 425,431,474,480,523,529,572,580,622,627,670,676,719,725,768,
%U A043929 774,817,823,866,872,915,923,965,970,1013,1019,1062,1068,1111
%N A043929 Numbers n such that 4 and 5 occur juxtaposed in the base 7 representation 
               of n but not of n+1.
%Y A043929 Sequence in context: A083883 A039326 A043149 this_sequence A034070 A045241 
               A046041
%Y A043929 Adjacent sequences: A043926 A043927 A043928 this_sequence A043930 A043931 
               A043932
%K A043929 nonn,base
%O A043929 1,1
%A A043929 Clark Kimberling (ck6(AT)evansville.edu)