%I A080453
%S A080453 9,18,108,1188,10692,117612,1058508,11643588,104792292,1152715212,
%T A080453 10374436908,114118805988,1027069253892,11297761792812,101679856135308,
%U A080453 1118478417488388,10066305757395492,110729363331350412
%N A080453 a(1) = 9, a(n) = smallest (nontrivial) multiple of a(n-1) containing 
               n digits, a(n) not equal to 10*a(n-1).
%Y A080453 Cf. A080445, A080446, A080447, A080448, A080449, A080450, A080451, A080452.
%Y A080453 Same as A080446 or A080447 from n=3 on.
%Y A080453 Sequence in context: A066711 A033651 A050250 this_sequence A002169 A050685 
               A133361
%Y A080453 Adjacent sequences: A080450 A080451 A080452 this_sequence A080454 A080455 
               A080456
%K A080453 base,nonn
%O A080453 1,1
%A A080453 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 23 2003
%E A080453 More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 
               06 2003