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Posted by Riva on Thursday, August 21, 2008 at 10:00pm.

need help finding next to values in following sequence 1,3,7,13,21,_,_

what is the difference between each numbers? 1 and 3? 7 and 13? 13 and 21? You'll see a pattern that will help you find the values in the following sequence.

Thanks!

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