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| n | a(n) |
|---|---|
| 1 | 128 |
| 2 | 16384 |
| 3 | 899565 |
| 4 | 67012245 |
| 5 | 5201484239 |
| 6 | 383128155296 |
| 7 | 28559447121714 |
| 8 | 2136915074062801 |
| 9 | 159485442516170020 |
| 10 | 11906501694015288457 |
| 11 | 889085359991168514569 |
| 12 | 66384075576730768153403 |
| 13 | 4956603963267788832571902 |
[128,16384,899565,67012245,5201484239, 383128155296,28559447121714,2136915074062801, 159485442516170020,11906501694015288457, 889085359991168514569,66384075576730768153403, 4956603963267788832571902] |