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| n | a(n) |
|---|---|
| 1 | 1512 |
| 2 | 8672 |
| 3 | 58729 |
| 4 | 327340 |
| 5 | 1968584 |
| 6 | 11945779 |
| 7 | 71461994 |
| 8 | 428975207 |
| 9 | 2589583742 |
| 10 | 15580188674 |
| 11 | 93815267630 |
| 12 | 565153391215 |
| 13 | 3403888790453 |
| 14 | 20499583169858 |
| 15 | 123476068356687 |
| 16 | 743701123471477 |
| 17 | 4479335031465983 |
| 18 | 26979398514408492 |
[1512,8672,58729,327340,1968584,11945779,71461994, 428975207,2589583742,15580188674,93815267630, 565153391215,3403888790453,20499583169858, 123476068356687,743701123471477,4479335031465983, 26979398514408492] |