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Centered octagonal number

A centered octagonal number is a centered figurate number that represents an octagon with a dot in the center and all other dots surrounding the center dot in successive octagonal layers. The centered octagonal numbers are the same as the odd square numbers. Thus, the nth odd square number and tth centered octagonal number is given by

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Centered octagonal number

Nodes16
Edges15
Triples1
Avg. degree1.88
Density0.125
Components1

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Centered octagonal number

Top relations

is a · 1
Centered octagonal number → centered figurate number that represents an octagon with a dot in the center and all other dots surrounding the center dot in successive octagonal layers

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Important terminology

octagonal number centered odd numbers square zero octagon determinant permanent figurate represents dot center dots surrounding successive layers thus nth

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Centered octagonal numberis acentered figurate number that represents an octagon with a dot in the center and all other dots surrounding the center dot in successive octagonal layers0.90text

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