![](/images/dot.gif)
Home > Numbers
A 1-2 Number (Posted on 2024-07-07) |
|
How many n digit numbers you can write by using only 1's and 2's and you are allowed to use neither two consecutive 1's nor three consecutive 2's?
Comments: (
You must be logged in to post comments.)
|
![](/images/dot.gif) |
Please log in:
Forums (0)
Newest Problems
Random Problem
FAQ |
About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
|