I've seen other threads on this topic but can't find anything to fit my needs. I am seeking a method to list all combinations of numbers 1, 2, 3, 4, 5 & 6. However, I also need all of the combinations of fewer numbers. Examples:
1,3,5 and 2,3,6 and 1,3,4,5,6
However, I don't need repeats...