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(Q18452301)
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English
octadecagonal number
figurate number
18-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
heptadecagonal number
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followed by
enneadecagonal number
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defining formula
16
n
2
−
14
n
2
{\displaystyle {\frac {16n^{2}-14n}{2}}}
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maintained by WikiProject
WikiProject Mathematics
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Identifiers
OEIS ID
A051870
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Sitelinks
Wikipedia
(3 entries)
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emlwiki
Nùmer otadecagonèl
huwiki
Tizennyolcszögszámok
svwiki
Oktodekagontal
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Wikiquote
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Wikisource
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Wikiversity
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Wikivoyage
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