%N Each term is the number of letters in the Spanish name of the previous term.
%e Uno tres cuatro seis cuatro seis ...
%Y Cf. A061504 (French), A000655 (English).
%A Kevin Langdon (kevin.langdon(AT)polymath-systems.com), Jan 17 2005; corrected May 24 2005
%E More terms from Kara A. Houck (kah979(AT)psu.edu), Apr 20 2006