"These look really random" - I hope I missed your sarcasm. That is so far from random. Think of tossing a coin and getting ten heads in a row. The probabilit

"These look really random" - I hope I missed your sarcasm. That is so far from random. Think of tossing a coin and getting ten heads in a row. The probability of not repeating numbers in 10 numbers out of 10 is huge, and not random. Randomness is why there is about a 50% chance of 2 people in a class of about thirty having a birthday on the same day. Apple had to nerf their random play in iPod because songs repeated a lot. Randomness clusters, it doesn't evenly distribute across its range, or it's not random.