%I A044006
%S A044006 13,31,113,139,213,231,319,331,413,431,513,531,613,631,713,731,
%T A044006 813,831,913,931,1013,1031,1113,1139,1213,1231,1399,1413,1431,
%U A044006 1513,1531,1613,1631,1713,1731,1813,1831,1913,1931,2013,2031
%N A044006 Numbers n such that 1 and 3 occur juxtaposed in the base 10 representation 
               of n but not of n+1.
%Y A044006 Sequence in context: A039403 A062339 A043226 this_sequence A007628 A141837 
               A104151
%Y A044006 Adjacent sequences: A044003 A044004 A044005 this_sequence A044007 A044008 
               A044009
%K A044006 nonn,base
%O A044006 1,1
%A A044006 Clark Kimberling (ck6(AT)evansville.edu)