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Usage Examples English
- Ten is the first non-trivial decagonal number, the third centered triangular number and tetrahedral number, and the fifth semi-meandric number.
- They equal the sums of consecutive tetrahedral numbers, and are one-fourth of a larger tetrahedral number.
- A triangular-pyramid version of the Cannon Ball Problem, which is to yield a perfect square from the "N"th Tetrahedral number, would have "N" = 48.
- 35 is the sum of the first five triangular numbers, making it a tetrahedral number.
- The number of possible KeyForge three-house combinations is also a tetrahedral number, [...] where [...] is the number of houses.
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Contains translations by TU Chemnitz and Mr Honey's Business Dictionary (German-English only).
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