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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 3 | 0 |
| 4 | 0 |
| 5 | 6 |
| 6 | 0 |
| 7 | 0 |
| 8 | 48 |
| 9 | 36 |
| 10 | 72 |
| 11 | 456 |
| 12 | 588 |
| 13 | 1032 |
| 14 | 4596 |
| 15 | 9324 |
| 16 | 19908 |
| 17 | 64164 |
| 18 | 155520 |
| 19 | 366456 |
| 20 | 1029060 |
| 21 | 2664612 |
| 22 | 6732000 |
| 23 | 18220368 |
| 24 | 48373068 |
| 25 | 126575628 |
| 26 | 339532836 |
| 27 | 908895096 |
| 28 | 2418938244 |
| 29 | 6497355624 |
| 30 | 17481603528 |
| 31 | 46965683160 |
[0,0,6,0,0,48,36,72,456,588,1032,4596,9324,19908, 64164,155520,366456,1029060,2664612,6732000, 18220368,48373068,126575628,339532836,908895096, 2418938244,6497355624,17481603528,46965683160] |