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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 42 |
| 2 | 1722 |
| 3 | 70602 |
| 4 | 2894682 |
| 5 | 118681962 |
| 6 | 4865960442 |
| 7 | 199504378122 |
| 8 | 8179679503002 |
| 9 | 335366859623082 |
| 10 | 13750041244546362 |
| 11 | 563751691026400842 |
| 12 | 23113819332082434522 |
| 13 | 947666592615379815402 |
| 14 | 38854330297230572431482 |
[1,42,1722,70602,2894682,118681962,4865960442, 199504378122,8179679503002,335366859623082, 13750041244546362,563751691026400842, 23113819332082434522,947666592615379815402, 38854330297230572431482] |