The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 2 | 3 |
| 3 | 45 |
| 4 | 175 |
| 5 | 693 |
| 6 | 11011 |
| 7 | 2807805 |
| 8 | 302307005 |
| 9 | 402243205 |
| 10 | 714186915 |
| 11 | 42803602439 |
| 12 | 11086133031701 |
| 13 | 5908908905896633 |
| 14 | 1488200914442251997 |
| 15 | 3041106216468949733 |
| 16 | 16213234917387714257 |
| 17 | 21611220383343195817 |
[3,45,175,693,11011,2807805,302307005,402243205, 714186915,42803602439,11086133031701, 5908908905896633,1488200914442251997, 3041106216468949733,16213234917387714257, 21611220383343195817] |