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%I #15 May 27 2024 22:38:34
%S 27,37,47,57,67,71,72,73,74,75,76,78,79,87,97,101,102,103,104,105,106,
%T 108,109,110,112,201,202,203,204,205,206,208,209,210,212,301,302,303,
%U 304,305,306,308,309,310,312,401,402,403,404,405,406,408,409,410,412
%N Numbers such that the American English name of the number has four syllables.
%C There are a finite number of terms, considering all terms up to 10^66 using English names of large numbers and various conventional extensions thereof (see Wikipedia link). - _Michael S. Branicky_, May 27 2024
%H Kyle Stern, <a href="/A180961/b180961.txt">Table of n, a(n) for n = 1..100</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Names_of_large_numbers">Names of Large Numbers</a>
%F A075774(a(n)) = 4. - _Michael S. Branicky_, May 27 2024
%e 27 = "twen-ty sev-en", 101 = "one hun-dred one"
%o (Python) # uses function in A075774
%o print([k for k in range(500) if A075774(k) == 4]) # _Michael S. Branicky_, May 27 2024
%Y Cf. A075774.
%K easy,nonn,fini,word
%O 1,1
%A _Kyle Stern_, Sep 28 2010
%E Corrected by _Kyle Stern_, Sep 30 2010