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| n | a(n) |
|---|---|
| 1 | 1748 |
| 2 | 5588 |
| 3 | 138128 |
| 4 | 1683728 |
| 5 | 9286208 |
| 6 | 12642368 |
| 7 | 152287808 |
| 8 | 447483968 |
[1748,5588,138128,1683728,9286208,12642368, 152287808,447483968] |