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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) |
|---|---|
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 3 |
| 6 | 4 |
| 7 | 22 |
| 8 | 70 |
| 9 | 482 |
| 10 | 2955 |
| 11 | 17907 |
| 12 | 114642 |
| 13 | 825097 |
| 14 | 5843386 |
| 15 | 41036436 |
| 16 | 297986872 |
[0,1,0,3,4,22,70,482,2955,17907,114642,825097, 5843386,41036436,297986872] |