Domino Tiling - 5
Using 1'' x 2'' dominoes, there's one way to tile a 1'' x 2'' area, 2 ways to tile a 2'' x 2'' area, 3 ways to tile a 3'' x 2'' area, and 5 ways to tile a 4'' x 2'' area.
How many ways are there to tile a 5'' x 2'' area?
by
Zandra Vinegar