n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 14 |
3 | 204 |
4 | 5016 |
5 | 185520 |
6 | 9595440 |
7 | 659846880 |
8 | 58130513280 |
9 | 6376568728320 |
10 | 851542303852800 |
11 | 135930981520857600 |
12 | 25547289000870067200 |
13 | 5581430113409537587200 |
14 | 1402137089367777207244800 |
15 | 401230026747563176171008000 |
16 | 129714370868892377008336896000 |
[1,2,14,204,5016,185520,9595440,659846880, 58130513280,6376568728320,851542303852800, 135930981520857600,25547289000870067200, 5581430113409537587200,1402137089367777207244800, 401230026747563176171008000, 129714370868892377008336896000] |