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Please give the next 3 terms of the following sequence, and the formula used or explanation of the terms:
3, 12, 30, 60, 105, 168........ I thank you for any help.

Guest Apr 27, 2017
 #1
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The  nth term of the sequence  is given by :

 

(n) (n + 1) (n + 2)  / 2      

 

 

cool cool cool

CPhill  Apr 27, 2017
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Thank you CPhill.

Guest Apr 27, 2017

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