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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 2048 |
| 3 | 11807 |
| 4 | 91193 |
| 5 | 792454 |
| 6 | 6974944 |
| 7 | 60087975 |
| 8 | 521019836 |
| 9 | 4532637754 |
| 10 | 39406918756 |
| 11 | 342638323385 |
| 12 | 2980802300789 |
| 13 | 25930513111911 |
| 14 | 225563854798009 |
| 15 | 1962260071727890 |
| 16 | 17070767803839838 |
| 17 | 148507700765418040 |
[8,2048,11807,91193,792454,6974944,60087975, 521019836,4532637754,39406918756,342638323385, 2980802300789,25930513111911,225563854798009, 1962260071727890,17070767803839838, 148507700765418040] |