n | a(n) |
---|---|
1 | -1 |
2 | -1 |
3 | 3 |
4 | -1 |
5 | 5 |
6 | 9 |
7 | -7 |
8 | -1 |
9 | 27 |
10 | 25 |
11 | 11 |
12 | 162 |
13 | 13 |
14 | 49 |
15 | 521 |
16 | -1 |
17 | 697 |
18 | 2196 |
19 | 19 |
20 | 625 |
21 | 8435 |
22 | 121 |
23 | -23 |
24 | 59049 |
25 | 3120 |
26 | 169 |
27 | 177147 |
28 | 2401 |
29 | 29 |
30 | 982635 |
31 | -237367 |
32 | -1 |
33 | 3958307 |
34 | 781745 |
35 | 121691 |
36 | 28697814 |
37 | 37 |
38 | 361 |
39 | 89405461 |
40 | 1953125 |
[-1,-1,3,-1,5,9,-7,-1,27,25,11,162,13,49,521,-1, 697,2196,19,625,8435,121,-23,59049,3120,169, 177147,2401,29,982635,-237367,-1,3958307,781745, 121691,28697814,37,361,89405461,1953125] |