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| n | a(n) |
|---|---|
| 1 | 729 |
| 2 | 18567 |
| 3 | 418925 |
| 4 | 10494847 |
| 5 | 249227639 |
| 6 | 6153770375 |
| 7 | 148654946039 |
| 8 | 3645190453457 |
| 9 | 88602958444787 |
| 10 | 2166253373649057 |
| 11 | 52777731056211077 |
| 12 | 1288799761305039781 |
| 13 | 31427943533967865959 |
| 14 | 767074334899635021939 |
[729,18567,418925,10494847,249227639,6153770375, 148654946039,3645190453457,88602958444787, 2166253373649057,52777731056211077, 1288799761305039781,31427943533967865959, 767074334899635021939] |