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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 | 51 |
| 3 | 331 |
| 4 | 1774 |
| 5 | 10505 |
| 6 | 59127 |
| 7 | 341648 |
| 8 | 1963817 |
| 9 | 11341895 |
| 10 | 65406069 |
| 11 | 377314947 |
| 12 | 2175983774 |
| 13 | 12550566460 |
| 14 | 72389111386 |
| 15 | 417539600863 |
| 16 | 2408347532016 |
| 17 | 13891206637891 |
[1,51,331,1774,10505,59127,341648,1963817, 11341895,65406069,377314947,2175983774, 12550566460,72389111386,417539600863, 2408347532016,13891206637891] |