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Smallest positive number whose name in Spanish has the letter o in the n-th position starting from the end. (Spaces are not counted.)
0

%I #5 Feb 15 2014 20:35:19

%S 1,2,12,8,103,90,80,114,140,91,81,83,85,84

%N Smallest positive number whose name in Spanish has the letter o in the n-th position starting from the end. (Spaces are not counted.)

%C a(1)=1 because "uno" is the smallest number with "o" as its last letter;

%C a(2)=2 because "dos" is the smallest number with "o" in the 2nd position starting from the end;

%C a(3)=12 because "doce" is the smallest number with "o" in the 3rd position starting from the end;

%C a(4)=8 because "ocho" is the smallest number with "o" in the 4th position starting from the end;

%C a(5)=103 because "ciento tres" is the smallest number with "o" in the 5th position starting from the end (not counting the space).

%D Bulletin Los Acertijeros 77, June 1996, problem 608 by Rodolfo Kurchan

%K nonn,word

%O 1,2

%A _Rodolfo Kurchan_, Feb 11 2010