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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 801 |
| 3 | 46095 |
| 4 | 2241332 |
| 5 | 98128162 |
| 6 | 4065077852 |
| 7 | 162346342126 |
| 8 | 6294925767121 |
| 9 | 238434528280477 |
| 10 | 8863487201716422 |
| 11 | 324449796535829989 |
| 12 | 11723580027925010371 |
| 13 | 418958469982919690628 |
| 14 | 14829876008361939503733 |
[15,801,46095,2241332,98128162,4065077852, 162346342126,6294925767121,238434528280477, 8863487201716422,324449796535829989, 11723580027925010371,418958469982919690628, 14829876008361939503733] |