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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 | 1 |
| 3 | 9 |
| 4 | 33 |
| 5 | 89 |
| 6 | 973 |
| 7 | 38577 |
| 8 | 1078541 |
| 9 | 28644797 |
| 10 | 2049754535 |
| 11 | 324959092887 |
| 12 | 58338532772401 |
| 13 | 13434523893685925 |
[1,1,9,33,89,973,38577,1078541,28644797, 2049754535,324959092887,58338532772401, 13434523893685925] |