n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 4920 |
8 | 37488 |
9 | 319644 |
10 | 3033264 |
11 | 31784280 |
12 | 364902480 |
13 | 4509620040 |
14 | 59768680032 |
15 | 847746532152 |
[1,2,6,24,120,720,4920,37488,319644,3033264, 31784280,364902480,4509620040,59768680032, 847746532152] |