No Three Blues in a Row
Problem
Each square in a row of squares is colored blue or red, with at most consecutive squares blue (no run of or more blue squares). How many colorings are there?
Answer
Solution
| Difficulty | 5/10 |
|---|---|
| Topics | combinatorics, Counting, Recursion |
Whiteboard
Your sketch is saved only in this browser. To share it, export your drawing as an image (whiteboard menu → Export as → PNG), then upload that image in the comments below.
Discussion
Ask questions, share alternate solutions, and use LaTeX freely.
Log in to join the discussion.
No comments yet.