n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 7 |
4 | 105 |
5 | 1418 |
6 | 17572 |
7 | 207207 |
8 | 2367507 |
9 | 26483012 |
10 | 291646797 |
11 | 3173159326 |
12 | 34192782745 |
13 | 365561221293 |
14 | 3882841742380 |
[0,0,0,7,105,1418,17572,207207,2367507,26483012, 291646797,3173159326,34192782745,365561221293, 3882841742380] |