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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 16 |
| 3 | 256 |
| 4 | 1280 |
| 5 | 2048 |
| 6 | 28672 |
| 7 | 131072 |
| 8 | 327680 |
| 9 | 524288 |
| 10 | 11534336 |
| 11 | 16777216 |
| 12 | 7633633280 |
| 13 | 4697620480 |
| 14 | 1342177280 |
| 15 | 17179869184 |
| 16 | 365072220160 |
| 17 | 171798691840 |
| 18 | 45698452029440 |
| 19 | 7696581394432 |
[1,8,16,256,1280,2048,28672,131072,327680,524288, 11534336,16777216,7633633280,4697620480, 1342177280,17179869184,365072220160,171798691840, 45698452029440,7696581394432] |