The colors represent a famous number using a RGB system, 9 is full color and 0 is without color.
Like the PI (π) Number sequence 31415..., the first quad have the colors '3,1,4', the second quad is '1,4,1', third is '4,1,5' and so on.
Prime numbers sequence 235711... starts with a quad color '2,3,5', the second quad is '3,5,7', third is '5,7,1' and so on.
You can set the Width and Height of the Quads to get nice variations! (Maximum of 500x500)
Width: Height:
You can also throw a custom sequence! (try to past only numbers, without spaces or line breaks)
Wanna find more sequences? Maybe you can get on this awesome website here:
The On-Line Encyclopedia of Integer Sequences
HAVE FUN!