| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 24 |
| 3 | 72576 |
| 4 | 4528742400 |
| 5 | 2423748096000000 |
| 6 | 6787796602812825600000 |
| 7 | 72775351435975459999580160000 |
| 8 | 2410818176289650624878632291532800000 |
| 9 | 211160088068074747246458003999015567360000000 |
| 10 | 43450506124990177923906533235556142284800000000000000 |
| 11 | 19145311724106592586650799558102522667408683773722624000000000 |
[1,24,72576,4528742400,2423748096000000, 6787796602812825600000, 72775351435975459999580160000, 2410818176289650624878632291532800000, 211160088068074747246458003999015567360000000, 43450506124990177923906533235556142284800000000000\ 000, 19145311724106592586650799558102522667408683773722\ 624000000000] |