“An unusual sequence “
No more unusual than any other sequence. Same for 1, 2, 3, 4, 5, 6.
I read some time ago that the combination 1, 2, 3, 4, 5, 6, was played by a HUGE number of people every game (Powerball or Megamillions, can’t recall). The number was so large that it was projected that the game would be bankrupt if the combination actually came up.
So people love to play numbers that they like, and some combinations are liked by a lot of people.