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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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 6 |
| 3 | 45 |
| 4 | 374 |
| 5 | 3300 |
| 6 | 30282 |
| 7 | 285682 |
| 8 | 2751258 |
| 9 | 26921589 |
| 10 | 266797836 |
| 11 | 2671518873 |
| 12 | 26981681412 |
| 13 | 274493963898 |
| 14 | 2809920769440 |
| 15 | 28919412629031 |
[0,1,6,45,374,3300,30282,285682,2751258,26921589, 266797836,2671518873,26981681412,274493963898, 2809920769440,28919412629031] |