# Problem 117: Red, green, and blue tiles

![graphic](img117.gif)

Using a combination of black square tiles and oblong tiles chosen from:
red tiles measuring two units, green tiles measuring three units, and
blue tiles measuring four units, it is possible to tile a row measuring
five units in length in exactly fifteen different ways.   How many ways
can a row measuring fifty units in length be tiled? NOTE: This is
related to Problem 116.