%I A044422
%S A044422 90,190,290,390,490,590,690,790,890,900,990,1090,1190,1290,1390,
%T A044422 1490,1590,1690,1790,1890,1900,1990,2090,2190,2290,2390,2490,
%U A044422 2590,2690,2790,2890,2900,2990,3090,3190,3290,3390,3490,3590
%N A044422 Numbers n such that string 9,0 occurs in the base 10 representation of 
               n but not of n-1.
%Y A044422 Sequence in context: A048705 A119895 A119896 this_sequence A044803 A074213 
               A027621
%Y A044422 Adjacent sequences: A044419 A044420 A044421 this_sequence A044423 A044424 
               A044425
%K A044422 nonn,base
%O A044422 1,1
%A A044422 Clark Kimberling (ck6(AT)evansville.edu)