%I #9 Oct 07 2018 03:27:41
%S 9,1,5,15,30,19,29,21,25,31,35,45,55,121,125,131,135,145,155,231,235,
%T 245,255,355,445,455
%N a(n) = smallest number which has in its Spanish name the letter "n" in the n-th position.
%D Rodolfo Kurchan, Bulletin 75, "Los acertijeros", February 1996. [From _Claudio Meller_, Feb 12 2010]
%e a(1) = 9 ("Nueve");
%e a(2) = 1 ("uNo");
%e a(3) = 5 ("ciNco");
%e a(4) = 15 ("quiNce").
%K nonn,word,more
%O 1,1
%A _Claudio Meller_, Aug 26 2009