n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 8 |
3 | 240 |
4 | 13824 |
5 | 1263360 |
6 | 168422400 |
7 | 30865121280 |
8 | 7445355724800 |
9 | 2287168006717440 |
10 | 871804170613555200 |
11 | 403779880746418176000 |
12 | 223346806774106790297600 |
13 | 145427383048755178635264000 |
14 | 110105698060190464791596236800 |
15 | 95914116314126658718742347776000 |
16 | 95252504853751428295192341381120000 |
[1,0,8,240,13824,1263360,168422400,30865121280, 7445355724800,2287168006717440,871804170613555200, 403779880746418176000,223346806774106790297600, 145427383048755178635264000, 110105698060190464791596236800, 95914116314126658718742347776000, 95252504853751428295192341381120000] |