A274177 -id:A274177 - cp's OEIS frontend

A261126 Number of mora in Japanese name of n in 'On' reading. In case there are several spellings, use the shorter one.

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, 4, 4, 5, 5, 5, 5, 2, 4, 3, 4, 3, 3, 4, 4, 4

Offset: 0

Felix Fröhlich, Aug 19 2015

Names of numbers are rei, ichi, ni/ji, san, shi/yon, go, roku, ....
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):
The number 121 is pronounced hya-ku-ni-juu-i-chi, not hi-ya-ku-ni-ju-i-chi.
Hya is similar to ca in "can" or ca in "cat". It is a kind of a complex vowel.
There is a clear distinction between ju and juu.
The pronunciation of ju is quite similar to ge in the French name Lagrange.
The pronunciation of juu is similar to ew in "few" or jewel.
I give you another instance of the pronunciation of "hundred".
381 is pronounced sa-n-bya-ku-ha-chi-juu-i-chi.
877 is pronounced ha-ppya-ku-na-na-juu-na-na.
So there are 6 mora in 121, not 7. (End)

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

B. Bullock, What is the difference between a mora and a syllable?
B. Bullock, What are the Japanese numbers from 1 to 100?
Wikipedia, Japanese numerals
Wikipedia, On (Japanese prosody)

Cf. A030166, A051705, A057888.

cp's OEIS Frontend

A261126 Number of mora in Japanese name of n in 'On' reading. In case there are several spellings, use the shorter one.

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