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Girls in Math at Yale
2021 Girls in Math at Yale
9
9
Part of
2021 Girls in Math at Yale
Problems
(1)
Girls in Math at Yale 2021 Problem 9: Ali Can't Pronounce Stuff
Source:
2/27/2021
Ali defines a pronunciation of any sequence of English letters to be a partition of those letters into substrings such that each substring contains at least one vowel. For example,
A
∣
THEN
∣
A
\text{A } \vert \text{ THEN } \vert \text{ A}
A
∣
THEN
∣
A
,
ATH
∣
E
∣
NA
\text{ATH } \vert \text{ E } \vert \text{ NA}
ATH
∣
E
∣
NA
,
ATHENA
\text{ATHENA}
ATHENA
, and
AT
∣
HEN
∣
A
\text{AT } \vert \text{ HEN } \vert \text{ A}
AT
∣
HEN
∣
A
are all pronunciations of the sequence
ATHENA
\text{ATHENA}
ATHENA
. How many distinct pronunciations does
YALEMATHCOMP
\text{YALEMATHCOMP}
YALEMATHCOMP
have? (Y is not a vowel.)Proposed by Andrew Wu, with significant inspiration from ali cy
Yale
college