Wedderburn–Etherington number (Q2068748)

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Language	Label	Description	Also known as
English	Wedderburn–Etherington number	No description defined

Statements

instance of

mathematical concept

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subclass of

natural number

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defining formula

${\displaystyle a_{2n-1}=\sum _{i=1}^{n-1}a_{i}a_{2n-i-1};a_{2n}={\frac {a_{n}(a_{n}+1)}{2}}+\sum _{i=1}^{n-1}a_{i}a_{2n-i}}$

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maintained by WikiProject

WikiProject Mathematics

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Identifiers

Freebase ID

/m/03vlsc

1 reference

stated in

Freebase Data Dumps

publication date

28 October 2013

OEIS ID

A001190

0 references

 

Sitelinks

Wikipedia(5 entries)

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• enwiki Wedderburn–Etherington number
• frwiki Nombre de Wedderburn-Etherington
• itwiki Numero di Wedderburn-Etherington
• rowiki Număr Wedderburn-Etherington
• zhwiki 韦德伯恩-埃瑟林顿数

Wikibooks(0 entries)

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Wikinews(0 entries)

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Wikiquote(0 entries)

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Wikisource(0 entries)

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Wikiversity(0 entries)

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Wikivoyage(0 entries)

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Wiktionary(0 entries)

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Multilingual sites(0 entries)

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