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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 8 |
| 3 | 144 |
| 4 | 5760 |
| 5 | 403200 |
| 6 | 43545600 |
| 7 | 6706022400 |
| 8 | 1394852659200 |
| 9 | 376610217984000 |
| 10 | 128047474114560000 |
| 11 | 53523844179886080000 |
| 12 | 26976017466662584320000 |
| 13 | 16131658445064225423360000 |
| 14 | 11292160911544957796352000000 |
| 15 | 9146650338351415815045120000000 |
[1,2,8,144,5760,403200,43545600,6706022400, 1394852659200,376610217984000,128047474114560000, 53523844179886080000,26976017466662584320000, 16131658445064225423360000, 11292160911544957796352000000, 9146650338351415815045120000000] |