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%I #17 Aug 09 2022 09:05:33
%S 2,3,11,14,71,102,103,111,114,171,1071,1101,1111,1114,1171,11171,
%T 14171,71171,101114,101171,111171,114171,171171,1101114,1101171,
%U 1111171,1114171,1171171,11171171,14171171,71171171,101114171,101171171,111171171,114171171,171171171
%N a(n) is the smallest number greater than a(n-1) whose name in UK English contains n vowels.
%C In UK English, "102" is written as "one hundred and two".
%C twO has 1 vowel, thrEE has 2, ElEvEn has 3, fOUrtEEn has 4, sEvEntY OnE has 5, OnE hUndrEd And twO has 6, OnE hUndrEd And thrEE has 7, etc.
%H Wiktionary, <a href="https://en.wiktionary.org/wiki/one_hundred_one">one hundred one</a> (US)
%H Wiktionary, <a href="https://en.wiktionary.org/wiki/one_hundred_and_one">one hundred and one</a> (UK)
%o (Python)
%o from num2words import num2words
%o from itertools import count, islice
%o def vowels(n): return sum(1 for c in num2words(n) if c in "aeiouy")
%o def agen():
%o n, adict = 1, dict()
%o for k in count(1):
%o v = vowels(k)
%o if v == n: yield k; n += 1
%o print(list(islice(agen(), 23))) # _Michael S. Branicky_, Aug 09 2022
%K nonn,word
%O 1,1
%A _Rodolfo Kurchan_, Mar 16 2009
%E Edited by _Jon E. Schoenfield_, Oct 06 2018
%E a(10) and beyond from _Michael S. Branicky_, Aug 09 2022
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