Category:Definitions/Pyramidal Numbers
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This category contains definitions related to Pyramidal Numbers.
Related results can be found in Category:Pyramidal Numbers.
The pyramidal numbers are integers defined as sums of sequences of polygonal numbers as follows.
Let $\map P {k, n}$ be the $n$th $k$-gonal number.
Then the $n$th $k$-gonal-based pyramidal number $\map Y {k, n}$ is defined as:
- $\ds \map Y {k, n} = \sum_{i \mathop = 1}^n \map P {k, i}$
Subcategories
This category has the following 2 subcategories, out of 2 total.
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Pages in category "Definitions/Pyramidal Numbers"
The following 12 pages are in this category, out of 12 total.