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Number of mora in Japanese name of n in 'On' reading. In case there are several spellings, use the shorter one.
2

%I #28 Jul 01 2016 08:20:27

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

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

%N Number of mora in Japanese name of n in 'On' reading. In case there are several spellings, use the shorter one.

%C Names of numbers are rei, ichi, ni/ji, san, shi/yon, go, roku, ....

%C Comment from Michio Ozeki, Aug 01 2016, in an email to _N. J. A. Sloane_, Jul 01 2016 (There was a mistake in A274177, but it is better to place the explanation here.) (Start):

%C The number 121 is pronounced hya-ku-ni-juu-i-chi, not hi-ya-ku-ni-ju-i-chi.

%C Hya is similar to ca in "can" or ca in "cat". It is a kind of a complex vowel.

%C There is a clear distinction between ju and juu.

%C The pronunciation of ju is quite similar to ge in the French name Lagrange.

%C The pronunciation of juu is similar to ew in "few" or jewel.

%C I give you another instance of the pronunciation of "hundred".

%C 381 is pronounced sa-n-bya-ku-ha-chi-juu-i-chi.

%C 877 is pronounced ha-ppya-ku-na-na-juu-na-na.

%C So there are 6 mora in 121, not 7. (End)

%H B. Bullock, <a href="http://www.sljfaq.org/afaq/mora.html">What is the difference between a mora and a syllable?</a>

%H B. Bullock, <a href="http://www.sljfaq.org/afaq/1-100.html">What are the Japanese numbers from 1 to 100?</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Japanese_numerals">Japanese numerals</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/On_(Japanese_prosody)">On (Japanese prosody)</a>

%e 4 can be 'yon' or 'shi'. 'yon' has 2 mora, while 'shi' has 1, so a(4) = 1.

%Y Cf. A030166, A051705, A057888.

%K nonn,word,more

%O 0,1

%A _Felix Fröhlich_, Aug 19 2015