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

Home > Numbers > Sequences
"Coming Out" Sequence (Posted on 2004-08-05) Difficulty: 2 of 5
10, 11, 12, 13, 14, 15, 16, 17, 20, 22, 24, ___ , 100, 121, 10000

What's the missing number in this sequence?

See The Solution Submitted by ThoughtProvoker    
Rating: 2.6667 (3 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution Solution To The Problem | Comment 5 of 6 |

The nth term of the sequence is given by the decimal number 16 written in base (17-n).
For the 12th term (missing term) note that 16 is expresssible as 31 in base 5.
Thus, the required missing term is 31.

Edited on March 11, 2007, 12:28 pm
  Posted by K Sengupta on 2007-03-11 12:27:27

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 (7)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information