n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -1 |
3 | 2 |
4 | -1 |
5 | -1 |
6 | 2 |
7 | -1 |
8 | -1 |
9 | 2 |
10 | -1 |
11 | -1 |
12 | 2 |
13 | -1 |
14 | -1 |
15 | 2 |
16 | -1 |
17 | -1 |
18 | 2 |
19 | -1 |
20 | -1 |
21 | 2 |
22 | -1 |
23 | -1 |
24 | 2 |
25 | -1 |
26 | -1 |
27 | 2 |
28 | -1 |
29 | -1 |
30 | 2 |
31 | -1 |
32 | -1 |
33 | 2 |
34 | -1 |
35 | -1 |
36 | 2 |
37 | -1 |
38 | -1 |
39 | 2 |
40 | -1 |
41 | -1 |
42 | 2 |
43 | -1 |
44 | -1 |
45 | 2 |
46 | -1 |
47 | -1 |
48 | 2 |
49 | -1 |
50 | -1 |
51 | 2 |
52 | -1 |
53 | -1 |
54 | 2 |
55 | -1 |
56 | -1 |
57 | 2 |
58 | -1 |
59 | -1 |
60 | 2 |
61 | -1 |
62 | -1 |
63 | 2 |
64 | -1 |
65 | -1 |
66 | 2 |
67 | -1 |
68 | -1 |
69 | 2 |
70 | -1 |
71 | -1 |
[1,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1, 2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2, -1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2, -1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1] |