Probaly must of us have read Mike Knueppel  booklet  How to win at pick 3. this is the list he gives of numbers that we should play most. If you use His rules this list can be trimmed down further. I post it here for a reference for you. Here's a hint to help arrange the numbers for a straight hit: don't put together numbers together, ie: 01 12 34 get the idea? use the thrid number to separate them example : If your playing 945 you would  play either 495 or 594. Of course Pa went against that in the last draw (176) but if you search your state you will see this is true over all