n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 14 |
3 | 132 |
4 | 1704 |
5 | 27360 |
6 | 527760 |
7 | 11874240 |
8 | 305343360 |
9 | 8833224960 |
10 | 283928198400 |
11 | 10038995366400 |
12 | 387222498432000 |
13 | 16180539927552000 |
14 | 728132005791590400 |
15 | 35106736224688128000 |
16 | 1805508406018437120000 |
[1,2,14,132,1704,27360,527760,11874240,305343360, 8833224960,283928198400,10038995366400, 387222498432000,16180539927552000, 728132005791590400,35106736224688128000, 1805508406018437120000] |