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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 158 |
| 2 | 79042 |
| 3 | 96448478 |
| 4 | 218987626882 |
| 5 | 798807132800798 |
| 6 | 4273446686680147522 |
| 7 | 31521738825258026305118 |
| 8 | 306606728264687314446344962 |
| 9 | 3802448636519829800140388609438 |
[2,158,79042,96448478,218987626882, 798807132800798,4273446686680147522, 31521738825258026305118, 306606728264687314446344962, 3802448636519829800140388609438] |