Continue the sequence

Here's a riddle that I hope will cheer you.

Given are the first six members of a sequence:

1: 1
2: 1 1
3: 2 1
4: 1 2 1 1
5: 1 1 1 2 2 1
6: 3 1 2 2 1 1
7: ???

Can you deduce it's seventh member?

Anton