%I A044030
%S A044030 49,94,149,194,249,294,349,394,449,499,549,594,649,694,749,794,
%T A044030 849,894,949,994,1049,1094,1149,1194,1249,1294,1349,1394,1449,
%U A044030 1499,1549,1594,1649,1694,1749,1794,1849,1894,1949,1994,2049
%N A044030 Numbers n such that 4 and 9 occur juxtaposed in the base 10 representation 
               of n but not of n+1.
%Y A044030 Sequence in context: A031180 A039427 A043250 this_sequence A165339 A131601 
               A044138
%Y A044030 Adjacent sequences: A044027 A044028 A044029 this_sequence A044031 A044032 
               A044033
%K A044030 nonn,base
%O A044030 1,1
%A A044030 Clark Kimberling (ck6(AT)evansville.edu)