The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 79 |
| 3 | 458 |
| 4 | 12113 |
| 5 | 22394 |
| 6 | 2921911 |
| 7 | 1856741 |
| 8 | 142939831 |
| 9 | 369403781 |
| 10 | 65257860137 |
| 11 | 382924264759 |
| 12 | 38054710694503 |
| 13 | 31162073928841 |
| 14 | 3924727189601143 |
| 15 | 28342240146349903 |
| 16 | 3424956884584928081 |
| 17 | 13496977684191852821 |
[1,8,79,458,12113,22394,2921911,1856741,142939831, 369403781,65257860137,382924264759,38054710694503, 31162073928841,3924727189601143,28342240146349903, 3424956884584928081,13496977684191852821] |