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| n | a(n) |
|---|---|
| 1 | 512 |
| 2 | 9728 |
| 3 | 416256 |
| 4 | 25703936 |
| 5 | 1957983744 |
| 6 | 1705359223200 |
| 7 | 16300354777600 |
| 8 | 1668063096387072 |
| 9 | 179845756064329728 |
| 10 | 20206497983891554816 |
[512,9728,416256,25703936,1957983744, 1705359223200,16300354777600,1668063096387072, 179845756064329728,20206497983891554816] |