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%I #7 Mar 22 2014 10:40:13
%S 0,1,2,3,4,5,6,7,8,9,9,10,11,12,13,14,15,16,17,18,18,19,20,21,22,23,
%T 24,25,26,27,27,28,29,30,31,32,33,34,35,36,36,37,38,39,40,41,42,43,44,
%U 45,45,46,47,48,49,50,51,52,53,54,54,55,56,57,58,59,60,61,62,63,63,64,65,66,67,68,69,70,71,72,72,73,74,75,76,77,78,79,80,81,81,82,83,84,85,86,87,88,89,90,81,82,83,84,85,86,87,88,89,90,90,91,92,93
%N Map n = Sum c_i 10^i to a(n) = Sum c_i 9^i.
%C More than the usual number of terms are displayed in order to distinguish this from some closely related sequences. - _N. J. A. Sloane_, Mar 22 2014
%p f2:=proc(n) local t1,i,L;
%p t1:=convert(n,base,10);
%p L:=nops(t1);
%p add(t1[i]*9^(i-1),i=1..L);
%p end;
%p [seq(f2(n),n=0..200)];
%K nonn,base
%O 0,3
%A _N. J. A. Sloane_.
%E More terms from _Erich Friedman_.
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