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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 17 |
| 2 | 199 |
| 3 | 2033 |
| 4 | 23607 |
| 5 | 279877 |
| 6 | 3370321 |
| 7 | 40874221 |
| 8 | 497526487 |
| 9 | 6066862739 |
| 10 | 74045709039 |
| 11 | 904121783791 |
| 12 | 11042016273681 |
| 13 | 134870318846579 |
| 14 | 1647431387273605 |
| 15 | 20123781851762053 |
| 16 | 245820128763454759 |
[1,17,199,2033,23607,279877,3370321,40874221, 497526487,6066862739,74045709039,904121783791, 11042016273681,134870318846579,1647431387273605, 20123781851762053,245820128763454759] |