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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 17 |
| 3 | 377 |
| 4 | 11473 |
| 5 | 375273 |
| 6 | 12456897 |
| 7 | 414711897 |
| 8 | 13814539697 |
| 9 | 460231956937 |
| 10 | 15333001667233 |
| 11 | 510833776539193 |
| 12 | 17018936996199057 |
| 13 | 567002973887727017 |
| 14 | 18890274083549781377 |
| 15 | 629348476275500726297 |
| 16 | 20967377362990867086193 |
[2,17,377,11473,375273,12456897,414711897, 13814539697,460231956937,15333001667233, 510833776539193,17018936996199057, 567002973887727017,18890274083549781377, 629348476275500726297,20967377362990867086193] |