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Difficult Sequence (Posted on 2003-10-18) Difficulty: 5 of 5
What is the next number in the sequence? 21,45,66,102,115,171,?

See The Solution Submitted by Freddy Grants    
Rating: 3.6667 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): An alternate approach | Comment 9 of 19 |
(In reply to re: An alternate approach by SilverKnight)

Thanks for catching that error.
  Posted by Brian Smith on 2003-10-21 13:53:37

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