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Centered decagonal number
Y 90%
Centered figurate number that represents a decagon with a dot in the center
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Instances 3
Influencing rating
Y 90%
1
Natural number
31 (number)
Natural number
911 (number)
Natural number
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Wikipedia

A centered decagonal number is a centered figurate number that represents a decagon with a dot in the center and all other dots surrounding the center dot in successive decagonal layers. The centered decagonal number for n is given by the formula

Instance of
type of integer
Subclass of
Centered polygonal number
References
Wikidata