n | a(n) |
---|---|
3 | 6 |
4 | 24 |
5 | 180 |
6 | 1320 |
7 | 11130 |
8 | 103824 |
9 | 1067976 |
10 | 12014640 |
11 | 146845710 |
12 | 1938363240 |
13 | 27489515196 |
14 | 416924313624 |
15 | 6734931220290 |
16 | 115455963776160 |
17 | 2093601476474640 |
18 | 40040128237577184 |
19 | 805513168073611926 |
[6,24,180,1320,11130,103824,1067976,12014640, 146845710,1938363240,27489515196,416924313624, 6734931220290,115455963776160,2093601476474640, 40040128237577184,805513168073611926] |