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%I #2 Mar 31 2012 14:00:43
%S 2,-1,-1,1002,-1,-1,22,3002,32,42,52,302,122,402,132,142,152,322,232,
%T 242,252,352,442,452,1352,1442,1452,2352,2442,2452,3452,4442,4452
%N a(n) = smallest number which has in its Spanish name the letter "d" in the n-th position,or -1 if no such number exists.
%C a(1)=Dos, a(4)=mil Dos, a(7)=veintiDos
%K word,sign
%O 1,1
%A _Claudio Meller_, Aug 26 2009
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