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Number of different vowels in the name of n (in Spanish).
5

%I #8 Sep 20 2020 01:10:16

%S 2,1,1,3,2,2,2,1,2,2,2,2,1,3,3,2,2,3,3,2,4,3,2,5,3,2,2,3,3,3,5,4,3,5,

%T 4,3,3,4,4,3,4,4,3,4,5,4,4,4,3,4,5,5,4,5,5,4,4,5,4,2,4,3,2,4,4,3,3,3,

%U 3,2,4,3,2,4,4,3,3,3,3,3,4,3,3,4,4,4,4,3,4,3,4,3,3,4,4,4,4,3,4,2

%N Number of different vowels in the name of n (in Spanish).

%H Álvar Ibeas, <a href="/A111867/b111867.txt">Table of n, a(n) for n = 1..10000</a>

%e Uno => two different vowels

%e Dos => 1 vowel

%e .......

%e .......

%e Siete => 2 different vowels

%K nonn,word,easy

%O 1,1

%A Antonio Orsini (antorsini(AT)yahoo.com.ar), Nov 23 2005

%E More terms from Christopher N. Swanson (cswanson(AT)ashland.edu), May 11 2006