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| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 65536 |
| 3 | 4268356 |
| 4 | 180741136 |
| 5 | 10097838144 |
| 6 | 705042350224 |
| 7 | 47643981661444 |
| 8 | 2985549816834225 |
| 9 | 185475182040880209 |
| 10 | 11768170780317237049 |
| 11 | 753113609713108644676 |
| 12 | 47991037250729119391296 |
| 13 | 3047006228790888999180484 |
[256,65536,4268356,180741136,10097838144, 705042350224,47643981661444,2985549816834225, 185475182040880209,11768170780317237049, 753113609713108644676,47991037250729119391296, 3047006228790888999180484] |