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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 9 |
| 4 | 25 |
| 5 | 69 |
| 6 | 219 |
| 7 | 832 |
| 8 | 3894 |
| 9 | 23202 |
| 10 | 176838 |
| 11 | 1685478 |
| 12 | 20482830 |
| 13 | 316918475 |
[1,3,9,25,69,219,832,3894,23202,176838,1685478, 20482830,316918475] |