Well, its very seemly or seamly. I'd call it "Divide the Divide".
Printable View
Ok. Here's a clue. Count the columns. Then figure out how many divisions there are in each. Another clue is that you might see the points of a sideways parabola. I created the original design in 2001. It can be perfectly represented in a bitmap of 256 pixels square.
If you read it left to right, top to bottom, it is every value from 00 to ff (0 to 255) in binary, in order.
It's called
00...ff
Here! Check this out. It's an ild file.
http://laserboy.org/free_art/every_byte.zip