The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 27 |
| 2 | 2565 |
| 3 | 540855 |
| 4 | 202178025 |
| 5 | 117975193875 |
| 6 | 99088046182125 |
| 7 | 113251719048843375 |
| 8 | 169041201902760812625 |
| 9 | 319306111422259963876875 |
| 10 | 744579461172529120356343125 |
| 11 | 2100786842974911868459722414375 |
| 12 | 7053695026382002850341408058765625 |
| 13 | 27794924948726445029416864533362671875 |
[1,27,2565,540855,202178025,117975193875, 99088046182125,113251719048843375, 169041201902760812625,319306111422259963876875, 744579461172529120356343125, 2100786842974911868459722414375, 7053695026382002850341408058765625, 27794924948726445029416864533362671875] |