n | a(n) |
---|---|
4 | 1 |
5 | 80 |
6 | 7680 |
7 | 1146880 |
8 | 293601280 |
9 | 135291469824 |
10 | 115448720916480 |
11 | 185773484629032960 |
12 | 570696144780389253120 |
13 | 3376492035251796327792640 |
14 | 38724311853895801724188229632 |
15 | 865171534655766566521499937669120 |
[1,80,7680,1146880,293601280,135291469824, 115448720916480,185773484629032960, 570696144780389253120,3376492035251796327792640, 38724311853895801724188229632, 865171534655766566521499937669120] |