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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 512 |
| 3 | 75025 |
| 4 | 7174454 |
| 5 | 562110290 |
| 6 | 39541748736 |
| 7 | 2610763825782 |
| 8 | 165745451110910 |
| 9 | 10262482704258873 |
| 10 | 625250747214775916 |
| 11 | 37701606156514031251 |
| 12 | 2258713106034310399852 |
| 13 | 134810129909509070121060 |
[1,512,75025,7174454,562110290,39541748736, 2610763825782,165745451110910,10262482704258873, 625250747214775916,37701606156514031251, 2258713106034310399852,134810129909509070121060] |