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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 8 |
| 4 | 58 |
| 5 | 516 |
| 6 | 5264 |
| 7 | 59056 |
| 8 | 712002 |
| 9 | 9091360 |
| 10 | 121741316 |
| 11 | 1697801200 |
| 12 | 24533242088 |
| 13 | 365899614704 |
| 14 | 5615722652912 |
| 15 | 88482403906752 |
| 16 | 1428528355241602 |
| 17 | 23595413088087220 |
| 18 | 398214274587320432 |
| 19 | 6859495185702804744 |
[1,2,8,58,516,5264,59056,712002,9091360,121741316, 1697801200,24533242088,365899614704,5615722652912, 88482403906752,1428528355241602,23595413088087220, 398214274587320432,6859495185702804744] |