| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 11 |
| 5 | 23 |
| 6 | 47 |
| 7 | 751 |
| 8 | 6007 |
| 9 | 24029 |
| 10 | 192233 |
| 11 | 768931 |
| 12 | 98423167 |
| 13 | 206408341520383 |
| 14 | 54108708279519281153 |
| 15 | 907793486286483356068610047 |
| 16 | 58098783122334934788391043009 |
[1,3,5,11,23,47,751,6007,24029,192233,768931, 98423167,206408341520383,54108708279519281153, 907793486286483356068610047, 58098783122334934788391043009] |