Hexagonal Number

Hexagonal Number

Figurate number that can be represented by a set of points arranged on a regular convex hexagon or by a sequence that partially overlaps regular convex hexagons.

The sequence of hexagonal numbers is: 1, 6, 15, 28, …, \(\dfrac{n\space ×\space (4n\space –\space 2)}{2}\) where \(n\) represents the number of points on one of the sides of the hexagon.


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