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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 8 |
| 3 | 125 |
| 4 | 4222 |
| 5 | 258659 |
| 6 | 25306159 |
| 7 | 3610490130 |
| 8 | 706003793908 |
| 9 | 181035032176791 |
| 10 | 58893601709293849 |
| 11 | 23688535118130027712 |
| 12 | 11539922212278290441881 |
[0,8,125,4222,258659,25306159,3610490130, 706003793908,181035032176791,58893601709293849, 23688535118130027712,11539922212278290441881] |