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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 117 |
| 3 | 1465 |
| 4 | 18393 |
| 5 | 230845 |
| 6 | 2897357 |
| 7 | 36364977 |
| 8 | 456419681 |
| 9 | 5728560373 |
| 10 | 71899621813 |
| 11 | 902417942313 |
| 12 | 11326320232169 |
| 13 | 142157556964077 |
| 14 | 1784230940565533 |
| 15 | 22394026158604769 |
| 16 | 281069224947245681 |
[9,117,1465,18393,230845,2897357,36364977, 456419681,5728560373,71899621813,902417942313, 11326320232169,142157556964077,1784230940565533, 22394026158604769,281069224947245681] |