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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 6 |
| 5 | 3 |
| 6 | 1 |
| 7 | 142 |
| 8 | 11682 |
| 9 | 310536 |
| 10 | 3460725 |
| 11 | 19870590 |
| 12 | 65886660 |
| 13 | 133585200 |
| 14 | 168399000 |
| 15 | 128898000 |
| 16 | 54885600 |
| 17 | 9979200 |
| 18 | 1 |
| 19 | 49125 |
| 20 | 740212980 |
| 21 | 730815102166 |
| 22 | 151600044933990 |
| 23 | 11420034970306170 |
| 24 | 415777158607920585 |
[1,1,4,6,3,1,142,11682,310536,3460725,19870590, 65886660,133585200,168399000,128898000,54885600, 9979200,1,49125,740212980,730815102166, 151600044933990,11420034970306170, 415777158607920585] |