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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 0 |
| 4 | 4 |
| 5 | 3 |
| 6 | 10 |
| 7 | 12 |
| 8 | 76 |
| 9 | 122 |
| 10 | 278 |
| 11 | 596 |
| 12 | 1502 |
| 13 | 3057 |
| 14 | 6758 |
| 15 | 13643 |
| 16 | 29333 |
| 17 | 59454 |
| 18 | 121967 |
| 19 | 247085 |
| 20 | 505007 |
| 21 | 1016475 |
| 22 | 2049676 |
| 23 | 4115006 |
| 24 | 8278499 |
[1,0,4,3,10,12,76,122,278,596,1502,3057,6758, 13643,29333,59454,121967,247085,505007,1016475, 2049676,4115006,8278499] |