The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 7 |
| 3 | 65 |
| 4 | 618 |
| 5 | 6234 |
| 6 | 62699 |
| 7 | 624584 |
| 8 | 6246654 |
| 9 | 62494524 |
| 10 | 624982085 |
| 11 | 6249968714 |
| 12 | 62500120671 |
[0,7,65,618,6234,62699,624584,6246654,62494524, 624982085,6249968714,62500120671] |