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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 - I think I got it | Comment 17 of 19 |
(In reply to re: An alternate approach - I think I got it by Brian Smith)

Good work ! The only problem with your solution is that the problem title is "Difficult Sequence (single)", not "Difficult Sequences (plural)." So there has to be just one sequence, not two. But that's nitpicking.......
  Posted by Dan on 2003-11-02 14:51:22

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