The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 9 |
| 3 | 81 |
| 4 | 729 |
| 5 | 13122 |
| 6 | 118098 |
| 7 | 3188646 |
| 8 | 114791256 |
| 9 | 4132485216 |
| 10 | 148769467776 |
| 11 | 10711401679872 |
| 12 | 578415690713088 |
| 13 | 41645929731342336 |
| 14 | 2998506940656648192 |
| 15 | 296852187125008171008 |
| 16 | 24045027157125661851648 |
[3,9,81,729,13122,118098,3188646,114791256, 4132485216,148769467776,10711401679872, 578415690713088,41645929731342336, 2998506940656648192,296852187125008171008, 24045027157125661851648] |