n | a(n) |
---|---|
1 | 6 |
2 | 30 |
3 | 120 |
4 | 720 |
5 | 2010 |
6 | 23820 |
7 | 46950 |
8 | 434700 |
9 | 1683450 |
10 | 15126810 |
11 | 36284466 |
12 | 547180200 |
13 | 1088416050 |
14 | 13060942950 |
15 | 58782162480 |
16 | 352913410080 |
17 | 1057916846190 |
18 | 16926687985950 |
19 | 33853322280030 |
[6,30,120,720,2010,23820,46950,434700,1683450, 15126810,36284466,547180200,1088416050, 13060942950,58782162480,352913410080, 1057916846190,16926687985950,33853322280030] |