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Numbers whose Spanish names include all five vowels exactly once.
0

%I #2 Mar 31 2012 14:00:42

%S 31,52,3004,4003,81000,91000

%N Numbers whose Spanish names include all five vowels exactly once.

%C 31 = "trEIntA y UnO" ; 52= "cIncUEntA y dOs" ; 3004 = "trEs mIl cUAtrO ;

%C 81000 = "OchEntA y Un mIL" ; 91000 = "nOvEntA y Un mIl"

%K fini,nonn,word

%O 1,1

%A _Claudio Meller_, Jul 24 2009