n | a(n) |
---|---|
6 | 120 |
7 | 5880 |
8 | 215040 |
9 | 7348320 |
10 | 252000000 |
11 | 8928667440 |
12 | 331079253120 |
13 | 12919902035040 |
14 | 531665809234560 |
15 | 23074929870993000 |
16 | 1055390757120860160 |
17 | 50802829404718896960 |
18 | 2569731417499060039680 |
19 | 136361684705644061566560 |
20 | 7578327282420081922560000 |
[120,5880,215040,7348320,252000000,8928667440, 331079253120,12919902035040,531665809234560, 23074929870993000,1055390757120860160, 50802829404718896960,2569731417499060039680, 136361684705644061566560, 7578327282420081922560000] |