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a(n) is the smallest number that is greater than a(n-1) and whose name in Spanish contains n vowels.
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%I #10 Oct 08 2018 04:10:28

%S 2,5,7,22,25,27,44,116,117,144

%N a(n) is the smallest number that is greater than a(n-1) and whose name in Spanish contains n vowels.

%C dOs has 1 vowel, cIncO has 2, sIEtE has 3, vEIntIdOs has 4, vEIntIcIncO has 5, vEIntIsIEtE has 6, cUArEntA y cUAtrO has 7, cIEntO dIEcIsEIs has 8, etc.

%K nonn,word,more

%O 1,1

%A _Rodolfo Kurchan_, Mar 16 2009