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figurate number
A number sequence found by creating consecutive geometrical figures from arrangements of equally spaced points. Here is an example:
| 1 | 3 | 5 | 7 |
| * | * | * | * |
| ** | * | * | *** | * | **** |
The points can be arranged in one, two, three, or more dimensions. There are many different kinds of figurate numbers, such as polygonal numbers and tetrahedral numbers.
Related categories
• TYPES OF NUMBERS
• MATHEMATICS
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