The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 17 |
| 3 | 349 |
| 4 | 10661 |
| 5 | 444161 |
| 6 | 23447635 |
| 7 | 1500738989 |
| 8 | 112954047113 |
| 9 | 9777254959729 |
| 10 | 956963374613471 |
| 11 | 104510139881448797 |
| 12 | 12599380858829314093 |
| 13 | 1662018439019972570681 |
| 14 | 238128379446158082330779 |
| 15 | 36825779588890274967294061 |
| 16 | 6113887910300601007096973585 |
| 17 | 1084611999181162104894547358561 |
[1,2,17,349,10661,444161,23447635,1500738989, 112954047113,9777254959729,956963374613471, 104510139881448797,12599380858829314093, 1662018439019972570681,238128379446158082330779, 36825779588890274967294061, 6113887910300601007096973585, 1084611999181162104894547358561] |