Python- After using combinations with replacement, how to remove tuples with combinations that I don't want

Question

I\'m trying to get a list of lists (or tuples) which follows a pattern something like this:

[1,1,1,2]
[1,1,2,2]
[1,2,2,2]
[1,2,2,3]
[1,2,3,3]
[1,2,3,4]