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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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 5 |
| 7 | 17 |
| 8 | 37 |
| 9 | 137 |
| 10 | 741 |
| 11 | 5145 |
| 12 | 37997 |
| 13 | 337079 |
| 14 | 3889419 |
| 15 | 55427643 |
| 16 | 967896983 |
| 17 | 20644031605 |
| 18 | 543669795557 |
| 19 | 17692139622867 |
| 20 | 706505935324823 |
[1,1,1,1,1,5,17,37,137,741,5145,37997,337079, 3889419,55427643,967896983,20644031605, 543669795557,17692139622867,706505935324823] |