0 = 0
1 = 0
2 = -1
3 = 0
4 = -2
5 = 2
6 = -2
7 = -2
8 = -4
9 = -8
10 = -1
11 = 0
12 = -2
13 = 2
14 = -3
15 = 1
16 = 19
17 = 10
18 = 6
19 = -1
20 = -1
21 = 1
22 = -2
23 = 8
24 = 4
25 = 0
26 = 0
27 = 0
28 = 0
29 = 0
30 = 0
31 = 2
32 = 0