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Centered polygonal number

In mathematics, the centered polygonal numbers are a class of series of figurate numbers, each formed by a central dot, surrounded by polygonal layers of dots with a constant number of sides. Each side of a polygonal layer contains one more dot than each side in the previous layer; so starting from the second polygonal layer, each layer of a centered…

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Sum of reciprocals

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Centered polygonal number

Nodes26
Edges25
Triples21
Avg. degree1.92
Density0.076923
Components1

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Centered polygonal number

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related to References · 21
Centered polygonal number → Academic Press, Centered, CS1, Dictionary, Eric, Fig, Integer Sequences, ISBN, Lock-gray-alt-2, Lock-green, Lock-red-alt-2, M3826Weisstein, MathWorld, Neil Sloane, Oxford University Press, San Diego, Simon Plouffe, Tapson, The Encyclopedia, The Oxford Mathematics Study

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centered numbers number oeis k-gonal polygonal triangular series square sum previous dot dots mathematics plus 10 31 25 61 181

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SubjectPredicateObjectConfidenceSrc
Centered polygonal numberrelated to ReferencesLock-green0.60section
Centered polygonal numberrelated to ReferencesLock-gray-alt-20.60section
Centered polygonal numberrelated to ReferencesLock-red-alt-20.60section
Centered polygonal numberrelated to ReferencesWikisource-logo0.60section
Centered polygonal numberrelated to ReferencesNeil Sloane0.60section
Centered polygonal numberrelated to ReferencesSimon Plouffe0.60section
Centered polygonal numberrelated to ReferencesThe Encyclopedia0.60section
Centered polygonal numberrelated to ReferencesInteger Sequences0.60section
Centered polygonal numberrelated to ReferencesSan Diego0.60section
Centered polygonal numberrelated to ReferencesAcademic Press0.60section
Centered polygonal numberrelated to ReferencesCS10.60section
Centered polygonal numberrelated to ReferencesFig0.60section

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