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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 16 |
| 3 | 243 |
| 4 | 1792 |
| 5 | 56125 |
| 6 | 92016 |
| 7 | 5260591 |
| 8 | 28475392 |
| 9 | 290387673 |
| 10 | 445906000 |
| 11 | 59350089931 |
| 12 | 64786127616 |
| 13 | 11861260199893 |
| 14 | 4143106927792 |
| 15 | 3092227583175 |
| 16 | 22046047952896 |
| 17 | 6652851946041649 |
| 18 | 12011298089015952 |
| 19 | 4425675600220359715 |
[1,16,243,1792,56125,92016,5260591,28475392, 290387673,445906000,59350089931,64786127616, 11861260199893,4143106927792,3092227583175, 22046047952896,6652851946041649,12011298089015952, 4425675600220359715] |