%I #10 Sep 20 2020 09:34:26
%S 4,1000000000000,0,2,0,-1,-1,8,5,-1,-1,1000,1000,1,-1,0,
%T 1000000000000000000000000000000000000000000,15,0,2,3,1,9,-1,
%U 1000000000000000000000000000000000000,31,10
%N Smallest nonnegative integer containing the n-th letter of the alphabet (in Spanish), or -1 if no such number exists.
%C There is no known number that contains letters F, G, J, K, Q or W in Spanish
%e a(8) = 8 (ocho), the smallest number whose name contains 'h'.
%Y Cf. A111098.
%K fini,full,word,sign
%O 1,1
%A _Claudio Meller_, Jun 09 2009
%E a(8) and a(17) corrected by _Álvar Ibeas_, Sep 20 2020