All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers > Sequences
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: An alternate approach | Comment 8 of 19 |
(In reply to An alternate approach by Brian Smith)

Brian,

You wrote "21, 66, 171, X". I think you meant "21, 66, 115, X". The rest of your argument is straightforward... but I sincerely hope that this is not what Freddy had in mind.
  Posted by SilverKnight on 2003-10-21 13:31:52

Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (5)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2018 by Animus Pactum Consulting. All rights reserved. Privacy Information