How to get all possible combinations of 20 numbers ?
Well Phil, I'm not able to do what I want.
But now I'm more clear about my issue.
What I want is to do ALL possible combinations of 20 numbers, in groups of 5.
How can I do that? The numbers should be in order - from minor to the greatest, without any number repeated.
so, if I have numbers 1...to 20, I want
and so on.
Can you please help me?
Thank you very much