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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 6 | 1 |
| 7 | 0 |
| 8 | 1 |
| 9 | 3 |
| 10 | 4 |
| 11 | 7 |
| 12 | 22 |
| 13 | 51 |
| 14 | 152 |
| 15 | 501 |
| 16 | 1739 |
| 17 | 6548 |
| 18 | 26260 |
| 19 | 110292 |
| 20 | 483545 |
| 21 | 2198726 |
| 22 | 10327116 |
| 23 | 49965520 |
| 24 | 248481062 |
| 25 | 1267987437 |
| 26 | 6630660484 |
| 27 | 35492360163 |
| 28 | 194283212876 |
[1,0,1,3,4,7,22,51,152,501,1739,6548,26260,110292, 483545,2198726,10327116,49965520,248481062, 1267987437,6630660484,35492360163,194283212876] |