In mathematics, the centered polygonal numbers are a class 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 the corresponding side of the previous layer, so from the second layer onward, each layer of a centered k-gonal number adds k more dots than the layer before it. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Connections
Is Kind Of Object
Entity-backed identity for the object-kind enum value this mathematical object already carries, resolved to a mathematics concept by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The object-kind fact itself stays on the object unchanged.
Sources
1. Centered Polygonal Number (Wikipedia)
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