n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 12 |
4 | 200 |
5 | 2660 |
6 | 31850 |
7 | 361985 |
8 | 3982799 |
9 | 42914655 |
10 | 455727689 |
11 | 4788989458 |
12 | 49930700093 |
13 | 517443017072 |
14 | 5336861879564 |
[0,0,12,200,2660,31850,361985,3982799,42914655, 455727689,4788989458,49930700093,517443017072, 5336861879564] |