The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 5 |
| 3 | 98 |
| 4 | 7170 |
| 5 | 1405892 |
| 6 | 824452611 |
| 7 | 1415459855958 |
| 8 | 7157366531123400 |
| 9 | 106446951098115244867 |
| 10 | 4657843289298337507871141 |
| 11 | 599615985241029931750858863964 |
[0,5,98,7170,1405892,824452611,1415459855958, 7157366531123400,106446951098115244867, 4657843289298337507871141, 599615985241029931750858863964] |