n | a(n) |
---|---|
4 | 6 |
5 | 120 |
6 | 2160 |
7 | 41160 |
8 | 860160 |
9 | 19840464 |
10 | 504000000 |
11 | 14030763120 |
12 | 425681879040 |
13 | 13997939172360 |
14 | 496360987938816 |
15 | 18891066796875000 |
16 | 768426686420090880 |
17 | 33279382190563948320 |
18 | 1529238539734890577920 |
19 | 74326797938267012471904 |
[6,120,2160,41160,860160,19840464,504000000, 14030763120,425681879040,13997939172360, 496360987938816,18891066796875000, 768426686420090880,33279382190563948320, 1529238539734890577920,74326797938267012471904] |