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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 15 |
| 3 | 1729 |
| 4 | 32045 |
| 5 | 60551711 |
| 6 | 85276009 |
| 7 | 52814801041129 |
| 8 | 1312422595226609 |
| 9 | 1130308388231798179 |
| 10 | 4182230628909121261 |
| 11 | 100166053986652515419641469 |
| 12 | 1898732717895963155960377 |
| 13 | 1011844196551535741726366525322443 |
[2,15,1729,32045,60551711,85276009,52814801041129, 1312422595226609,1130308388231798179, 4182230628909121261,100166053986652515419641469, 1898732717895963155960377, 1011844196551535741726366525322443] |