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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 244672067 |
| 3 | 14551915378461487103639747 |
| 4 | 3552713678880267372432493847753987 |
| 5 | 211758236813575107295480170109084902352995775163267 |
[3,244672067,14551915378461487103639747, 3552713678880267372432493847753987, 21175823681357510729548017010908490235299577516326\ 7] |