The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 258 |
| 2 | 12010 |
| 3 | 256020 |
| 4 | 3441072 |
| 5 | 33505396 |
| 6 | 255757328 |
| 7 | 1610555756 |
| 8 | 8669119882 |
| 9 | 40937078274 |
| 10 | 172973004078 |
| 11 | 664139482668 |
| 12 | 2345904959628 |
| 13 | 7699860067962 |
| 14 | 23679297338148 |
| 15 | 68702482342180 |
| 16 | 189162014324890 |
| 17 | 496732138963680 |
[258,12010,256020,3441072,33505396,255757328, 1610555756,8669119882,40937078274,172973004078, 664139482668,2345904959628,7699860067962, 23679297338148,68702482342180,189162014324890, 496732138963680] |