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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 8 |
| 3 | 64 |
| 4 | 1024 |
| 5 | 32192 |
| 6 | 2011220 |
| 7 | 249506561 |
| 8 | 61452941714 |
| 9 | 30042205745855 |
| 10 | 29145013835098643 |
| 11 | 56117516926934448546 |
[1,2,8,64,1024,32192,2011220,249506561, 61452941714,30042205745855,29145013835098643, 56117516926934448546] |