n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 96 |
5 | 2500 |
6 | 162000 |
7 | 26471025 |
8 | 11014635520 |
9 | 11759522374656 |
10 | 32406091200000000 |
11 | 231627686043080250000 |
12 | 4311500661703860387840000 |
13 | 209706417310526095716965894400 |
14 | 26729809777664965932590782608648192 |
[1,1,2,9,96,2500,162000,26471025,11014635520, 11759522374656,32406091200000000, 231627686043080250000,4311500661703860387840000, 209706417310526095716965894400, 26729809777664965932590782608648192] |