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(Q18451099)
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English
icositrigonal number
figurate number
23-gonal number
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Statements
instance of
type of integer
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subclass of
polygonal number
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follows
icosidigonal number
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followed by
icositetragonal number
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defining formula
21
n
2
−
19
n
2
{\displaystyle {\frac {21n^{2}-19n}{2}}}
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maintained by WikiProject
WikiProject Mathematics
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Identifiers
OEIS ID
A051875
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Sitelinks
Wikipedia
(3 entries)
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emlwiki
Nùmer 23-gonèl
huwiki
Huszonháromszögszámok
svwiki
Ikositrigontal
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Wikiquote
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Wikisource
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Wikiversity
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