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| n | a(n) |
|---|---|
| 1 | 268435456 |
| 2 | 25509168 |
| 3 | 2492365968 |
| 4 | 294583794768 |
| 5 | 49817845241568 |
| 6 | 9525534763343040 |
| 7 | 1976213549179804032 |
| 8 | 422657522556480917712 |
| 9 | 91790405609518662883056 |
| 10 | 20048483735293013970568848 |
[268435456,25509168,2492365968,294583794768, 49817845241568,9525534763343040, 1976213549179804032,422657522556480917712, 91790405609518662883056, 20048483735293013970568848] |