n | a(n) |
---|---|
1 | 4 |
2 | 34 |
3 | 308 |
4 | 3024 |
5 | 31680 |
6 | 349206 |
7 | 4008004 |
8 | 47530912 |
9 | 579058896 |
10 | 7215393640 |
11 | 91644262864 |
12 | 1183274479040 |
13 | 15497363512800 |
14 | 205519758825150 |
15 | 2755739674246500 |
16 | 37314861293793600 |
17 | 509727100259638800 |
[4,34,308,3024,31680,349206,4008004,47530912, 579058896,7215393640,91644262864,1183274479040, 15497363512800,205519758825150,2755739674246500, 37314861293793600,509727100259638800] |