n | a(n) |
---|---|
1 | 2 |
2 | 12 |
3 | 60 |
4 | 840 |
5 | 2520 |
6 | 2520 |
7 | 32760 |
8 | 65520 |
9 | 1113840 |
10 | 4232592 |
11 | 4232592 |
12 | 97349616 |
13 | 2433740400 |
14 | 7301221200 |
15 | 211735414800 |
16 | 13127595717600 |
17 | 13127595717600 |
18 | 13127595717600 |
19 | 485721041551200 |
20 | 485721041551200 |
21 | 19914562703599200 |
[2,12,60,840,2520,2520,32760,65520,1113840, 4232592,4232592,97349616,2433740400,7301221200, 211735414800,13127595717600,13127595717600, 13127595717600,485721041551200,485721041551200, 19914562703599200] |