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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 4096 |
| 3 | 134217728 |
| 4 | 281474976710656 |
| 5 | 37778931862957161709568 |
| 6 | 324518553658426726783156020576256 |
| 7 | 178405961588244985132285746181186892047843328 |
[1,8,4096,134217728,281474976710656, 37778931862957161709568, 324518553658426726783156020576256, 178405961588244985132285746181186892047843328] |