The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 324 |
| 2 | 52488 |
| 3 | 34012224 |
| 4 | 5509980288 |
| 5 | 595077871104 |
| 6 | 96402615118848 |
| 7 | 124937789194027008 |
| 8 | 60719765548297125888 |
| 9 | 19673204037648268787712 |
| 10 | 3187059054099019543609344 |
| 11 | 2065214267056164664258854912 |
[1,324,52488,34012224,5509980288,595077871104, 96402615118848,124937789194027008, 60719765548297125888,19673204037648268787712, 3187059054099019543609344, 2065214267056164664258854912] |