The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 597042 |
| 4 | 68693470 |
| 5 | 6816984648 |
| 6 | 669777003928 |
| 7 | 62944601744067 |
| 8 | 5709831013093658 |
| 9 | 508781396370757815 |
| 10 | 44682472147852468812 |
| 11 | 3874470768927233440485 |
| 12 | 332663634061493461202020 |
[0,0,597042,68693470,6816984648,669777003928, 62944601744067,5709831013093658, 508781396370757815,44682472147852468812, 3874470768927233440485,332663634061493461202020] |