The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 85 |
| 3 | 3985 |
| 4 | 379625 |
| 5 | 60812765 |
| 6 | 14677835965 |
| 7 | 4970543866345 |
| 8 | 2246783432849105 |
| 9 | 1306543181979948725 |
| 10 | 950061718955626219045 |
| 11 | 844558265482290124163905 |
| 12 | 901064938302237380563065785 |
[1,5,85,3985,379625,60812765,14677835965, 4970543866345,2246783432849105, 1306543181979948725,950061718955626219045, 844558265482290124163905, 901064938302237380563065785] |