Tetrahedral number Calculator

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Calculates the number of balls and the height in a regular tetrahedron.

Tetrahedral number
number of stages
    3. 1,2,3,...
total balls Tn
    1.  
height to accumulate hn
    1.  
    2.  
    1. ( diameter of a ball =1 )
    Tetrahedral number
    [1-1] /1Disp-Num
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    [1]  2018/05/04 19:47   Under 20 years old / Elementary school/ Junior high-school student / Useful /
    Purpose of use
    Ping-Pong ball packaging project
    Comment/Request
    Please make changing the diameter an option.

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