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

Home > General
ABCDEABCDE is one (Posted on 2006-05-17) Difficulty: 2 of 5
How many arrangements of the letters AABBCCDDEE are there such that there are no double letters in the sequence?

See The Solution Submitted by Jer    
Rating: 4.5000 (2 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Found this in the OEISBrian Smith2017-01-15 11:37:44
Solutioncomputer solution (spoiler) and hint for analytic solutionCharlie2006-05-17 10:35:45
Some ThoughtsSolution (?)Dej Mar2006-05-17 10:06:49
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 (2)
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