Difference between revisions of "Square pyramidal number"
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| − | In [[mathematics], a '''pyramid number''', or '''square pyramidal number''', is a [[figurate number]] that represents the number of stacked [[spheres]] in a [[pyramid]] with a [[square]] base. | + | In [[mathematics]], a '''pyramid number''', or '''square pyramidal number''', is a [[figurate number]] that represents the number of stacked [[spheres]] in a [[pyramid]] with a [[square]] base. |
== Description == | == Description == | ||
Latest revision as of 17:04, 24 May 2016
In mathematics, a pyramid number, or square pyramidal number, is a figurate number that represents the number of stacked spheres in a pyramid with a square base.
Description
Square pyramidal numbers also solve the problem of counting the number of squares in an n × n grid.
See also
External links
- Square pyramidal number @ Wikipedia
