Triangular number: Difference between revisions
started article, maybe useful for fearlessly adding xenharmonic specifics |
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The '''triangular number''' or '''triangle number''' (T<sub>n</sub>) gives the sum of integers starting at 1 up to n. It's the amount of objects in a dense planar equilateral arrangement. | The '''triangular number''' or '''triangle number''' (T<sub>n</sub>) gives the sum of integers starting at 1 up to n. It's the amount of objects in a dense planar equilateral arrangement. | ||
Triangular numbers are used in the formation of [[highschool scales]]. | |||
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