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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 3 |
| 2 | 35 |
| 3 | 143 |
| 4 | 6678671 |
| 5 | 584803025179 |
| 6 | 34227405074603836560875299 |
| 7 | 16008643688606125328574585946049488062084747136988251 |
| 8 | 497369008478585535856296246658391242478488212329477774761792556414828431057586895468763959997722781406315137061 |
[2,3,35,143,6678671,584803025179, 34227405074603836560875299, 16008643688606125328574585946049488062084747136988\ 251, 49736900847858553585629624665839124247848821232947\ 77747617925564148284310575868954687639599977227814\ 06315137061] |