The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 6 | 1 |
| 7 | 19531 |
| 8 | 317886556 |
| 9 | 5007031143556 |
| 10 | 78360229974772306 |
| 11 | 1224770494838892134806 |
| 12 | 19138263752352528498478556 |
| 13 | 299039198587280398947721603556 |
| 14 | 4672499438759279108929231093087931 |
| 15 | 73007841108236063781239140920167306681 |
[1,19531,317886556,5007031143556, 78360229974772306,1224770494838892134806, 19138263752352528498478556, 299039198587280398947721603556, 4672499438759279108929231093087931, 73007841108236063781239140920167306681] |