Triangular number/Definition

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< Triangular number
Revision as of 22:28, 17 February 2009 by imported>Chris Day (New page: <noinclude>{{Subpages}}</noinclude> Represents the number of circles you can arrange to a equilateral triangle.)
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A definition or brief description of Triangular number.

Represents the number of circles you can arrange to a equilateral triangle.