n | a(n) |
---|---|
1 | 0 |
2 | 48 |
3 | 27600 |
4 | 15842400 |
5 | 9093510048 |
6 | 5219658925200 |
7 | 2996075129554800 |
8 | 1719741904705530048 |
9 | 987128857225844692800 |
10 | 566610244305730148137200 |
11 | 325233293102631879186060048 |
12 | 186683343630666392922650330400 |
13 | 107155914010709406905722103589600 |
[0,48,27600,15842400,9093510048,5219658925200, 2996075129554800,1719741904705530048, 987128857225844692800,566610244305730148137200, 325233293102631879186060048, 186683343630666392922650330400, 107155914010709406905722103589600] |