n | a(n) |
---|---|
2 | 1 |
3 | 4 |
4 | 120 |
5 | 3024 |
6 | 151200 |
7 | 79200 |
8 | 1513512000 |
9 | 1513512000 |
10 | 51459408000 |
11 | 74662922880 |
12 | 18068427336960 |
13 | 133196739984000 |
14 | 1215553449093984000 |
15 | 173650492727712000 |
16 | 3357242859402432000 |
17 | 101013513093196704000 |
18 | 2043503369875369321920000 |
[1,4,120,3024,151200,79200,1513512000,1513512000, 51459408000,74662922880,18068427336960, 133196739984000,1215553449093984000, 173650492727712000,3357242859402432000, 101013513093196704000,2043503369875369321920000] |