n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 2 |
4 | 3 |
5 | -1 |
6 | 6 |
7 | 4 |
8 | -1 |
9 | 6 |
10 | -1 |
11 | 5 |
12 | -1 |
13 | -1 |
14 | 12 |
15 | -1 |
16 | -1 |
17 | -1 |
18 | 6 |
19 | 9 |
20 | -1 |
21 | -1 |
22 | 15 |
23 | 12 |
24 | -1 |
25 | -1 |
26 | -1 |
27 | 18 |
28 | -1 |
29 | 7 |
30 | -1 |
31 | 15 |
32 | -1 |
33 | -1 |
34 | -1 |
35 | -1 |
36 | -1 |
37 | -1 |
38 | 9 |
39 | -1 |
40 | -1 |
41 | 10 |
42 | -1 |
43 | 22 |
44 | 15 |
45 | -1 |
46 | 12 |
47 | 8 |
48 | -1 |
49 | 28 |
50 | -1 |
51 | -1 |
52 | -1 |
53 | -1 |
54 | 18 |
55 | -1 |
56 | -1 |
57 | -1 |
58 | 21 |
59 | 29 |
60 | -1 |
61 | -1 |
62 | 15 |
63 | -1 |
64 | -1 |
65 | -1 |
66 | -1 |
67 | 34 |
68 | -1 |
[0,0,2,3,-1,6,4,-1,6,-1,5,-1,-1,12,-1,-1,-1,6,9, -1,-1,15,12,-1,-1,-1,18,-1,7,-1,15,-1,-1,-1,-1,-1, -1,9,-1,-1,10,-1,22,15,-1,12,8,-1,28,-1,-1,-1,-1, 18,-1,-1,-1,21,29,-1,-1,15,-1,-1,-1,-1,34,-1] |