What numbers should replace the question marks - 0, 1, 3, 6, 7, 9, 12, 13, 15, 18, ?, ?, ?

Question

? + ? + ? + ? + ? = 30

You have to fill numbers in place of question marks. The numbers that you can use are 1, 3, 5, 7, 9, 11, 13 and 15. You can repeat the numbers if you like.

Answer 1

Ans:19,21,24
0+1=1
1+2=3
3+3=6
Again
6+1=7
7+2=9
9+3=12
&
So on......

Answer 2

19, 21, 24
Pattern: +1, +2, +3