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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 9 |
| 3 | 512 |
| 4 | 50706 |
| 5 | 7962624 |
| 6 | 1838528498 |
| 7 | 587068342272 |
| 8 | 248158343164707 |
| 9 | 134217728134217728 |
| 10 | 90438270904261473426 |
| 11 | 74300837068800000000000 |
| 12 | 73119374851006048408704228 |
| 13 | 84922087747184192618514874368 |
| 14 | 114943537906488487820754156670578 |
[0,9,512,50706,7962624,1838528498,587068342272, 248158343164707,134217728134217728, 90438270904261473426,74300837068800000000000, 73119374851006048408704228, 84922087747184192618514874368, 114943537906488487820754156670578] |