Search: id:A044012
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%I A044012
%S A044012 19,91,119,199,219,291,319,391,419,491,519,591,619,691,719,791,
%T A044012 819,891,919,991,1019,1091,1119,1199,1219,1291,1319,1391,1419,
%U A044012 1491,1519,1591,1619,1691,1719,1791,1819,1891,1999,2019,2091
%N A044012 Numbers n such that 1 and 9 occur juxtaposed in the base 10 representation 
               of n but not of n+1.
%Y A044012 Sequence in context: A039409 A038653 A043232 this_sequence A118294 A157098 
               A037238
%Y A044012 Adjacent sequences: A044009 A044010 A044011 this_sequence A044013 A044014 
               A044015
%K A044012 nonn,base
%O A044012 1,1
%A A044012 Clark Kimberling (ck6(AT)evansville.edu)

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