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1, 3, 6, 55, 66...

Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.

 

Puzzle ID:#17988
Fun:*** (2.21)
Difficulty:**** (3.13)
Category:Series
Submitted By:fishmedAus******mod

 

 

 



What are the next three numbers in this series?

1, 3, 6, 55, 66, 171, 595, 666, 3003, 5995, ?, ?, ?


Hint

3-sides
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