The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 108 |
| 3 | 5888 |
| 4 | 1107456 |
| 5 | 768540672 |
| 6 | 2038400811008 |
| 7 | 21012301788217344 |
| 8 | 848380447466572480512 |
| 9 | 134688875052459668084359168 |
| 10 | 84279244669071810947388769566720 |
[1,6,108,5888,1107456,768540672,2038400811008, 21012301788217344,848380447466572480512, 134688875052459668084359168, 84279244669071810947388769566720] |