Square pyramidal number

From Wiki @ Karl Jones dot com
Revision as of 18:04, 24 May 2016 by Karl Jones (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

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