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(Q18451093)
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English
icosidigonal number
figurate number
22-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
icosihenagonal number
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followed by
icositrigonal number
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defining formula
20
n
2
−
18
n
2
{\displaystyle {\frac {20n^{2}-18n}{2}}}
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maintained by WikiProject
WikiProject Mathematics
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Identifiers
OEIS ID
A051874
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Sitelinks
Wikipedia
(3 entries)
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emlwiki
Nùmer 22-gonèl
huwiki
Huszonkétszögszámok
svwiki
Ikosidigontal
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Wikiversity
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