n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 3 |
3 | 3 |
4 | 1 |
5 | 17 |
6 | 17 |
7 | -1 |
8 | 67 |
9 | 67 |
10 | 1 |
11 | 289 |
12 | 289 |
13 | -1 |
14 | 1219 |
15 | 1219 |
16 | 1 |
17 | 5169 |
18 | 5169 |
19 | -1 |
20 | 21891 |
21 | 21891 |
22 | 1 |
23 | 92737 |
24 | 92737 |
25 | -1 |
26 | 392835 |
27 | 392835 |
28 | 1 |
29 | 1664081 |
30 | 1664081 |
31 | -1 |
32 | 7049155 |
33 | 7049155 |
34 | 1 |
35 | 29860705 |
36 | 29860705 |
37 | -1 |
38 | 126491971 |
39 | 126491971 |
40 | 1 |
41 | 535828593 |
42 | 535828593 |
43 | -1 |
44 | 2269806339 |
45 | 2269806339 |
46 | 1 |
47 | 9615053953 |
[1,-1,3,3,1,17,17,-1,67,67,1,289,289,-1,1219,1219, 1,5169,5169,-1,21891,21891,1,92737,92737,-1, 392835,392835,1,1664081,1664081,-1,7049155, 7049155,1,29860705,29860705,-1,126491971, 126491971,1,535828593,535828593,-1,2269806339, 2269806339,1,9615053953] |