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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 31 |
| 3 | 757 |
| 4 | 65537 |
| 5 | 19531 |
| 6 | 3154757 |
| 7 | 2767631689 |
| 8 | 9857737155463 |
| 9 | 926510094425921 |
| 10 | 440334654777631 |
| 11 | 50544702849929377 |
| 12 | 3335672988472972523 |
| 13 | 846041103974872866961 |
| 14 | 459715689149916492091 |
| 15 | 92978587355640205970336221 |
| 16 | 78919881726271091143763623681 |
| 17 | 26552618219228090162977481 |
| 18 | 1338029376807245057016053427001 |
| 19 | 11951068054199383402102234839038071 |
[2,31,757,65537,19531,3154757,2767631689, 9857737155463,926510094425921,440334654777631, 50544702849929377,3335672988472972523, 846041103974872866961,459715689149916492091, 92978587355640205970336221, 78919881726271091143763623681, 26552618219228090162977481, 1338029376807245057016053427001, 11951068054199383402102234839038071] |