%I #8 Aug 21 2022 14:07:11
%S 3,12,108,1188,10692,117612,1058508,11643588,104792292,1152715212,
%T 10374436908,114118805988,1027069253892,11297761792812,
%U 101679856135308,1118478417488388,10066305757395492,110729363331350412
%N a(1) = 3, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1).
%t ntm[n_]:=Module[{c=Ceiling[10^IntegerLength[n]/n]},If[c==10,n(c+1),c n]]; NestList[ ntm,3,20] (* _Harvey P. Dale_, Aug 21 2022 *)
%Y Cf. A080445, A080446, A080448, A080449, A080450, A080451, A080452, A080453.
%K base,nonn
%O 1,1
%A _Amarnath Murthy_, Feb 23 2003
%E More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003