%I #10 Oct 09 2023 12:54:14
%S 0,1,11,111,1111,11111,111111,1111111,11111111,111111111,1111111110,
%T 11111111021,111111102122,1111110212223,11111021222324,
%U 111102122232425,1110212223242526,11021222324252627,102122232425262728,212223242526272829,1222324252627282930,12232425262728293031
%N a(n) is the smallest number that can be obtained by deleting n digits from A007908(n).
%C The leading zeros are omitted.
%Y Cf. A007908, A366393 (largest).
%K nonn,base,easy
%O 10,3
%A _Stefano Spezia_, Oct 08 2023