| n | a(n) |
|---|---|
| 0 | 6 |
| 1 | 15 |
| 2 | 63 |
| 3 | 15 |
| 4 | 33 |
| 5 | 4095 |
| 6 | 3 |
| 7 | 255 |
| 8 | 3591 |
| 9 | 825 |
| 10 | 69 |
| 11 | 4095 |
| 12 | 3 |
| 13 | 435 |
| 14 | 21483 |
| 15 | 255 |
| 16 | 3 |
| 17 | 8636355 |
| 18 | 3 |
| 19 | 33825 |
| 20 | 18963 |
| 21 | 345 |
| 22 | 141 |
| 23 | 69615 |
| 24 | 33 |
| 25 | 795 |
| 26 | 10773 |
| 27 | 435 |
| 28 | 177 |
| 29 | 425900475 |
| 30 | 3 |
| 31 | 255 |
| 32 | 97083 |
| 33 | 15 |
| 34 | 2343 |
| 35 | 630453915 |
| 36 | 3 |
| 37 | 15 |
| 38 | 4977 |
| 39 | 575025 |
| 40 | 249 |
[6,15,63,15,33,4095,3,255,3591,825,69,4095,3,435, 21483,255,3,8636355,3,33825,18963,345,141,69615, 33,795,10773,435,177,425900475,3,255,97083,15, 2343,630453915,3,15,4977,575025,249] |