n | a(n) |
---|---|
2 | 2 |
3 | 6 |
4 | 35 |
5 | 160 |
6 | 1026 |
7 | 6251 |
8 | 39860 |
9 | 258021 |
10 | 1710770 |
11 | 11553916 |
12 | 78929862 |
13 | 546477542 |
14 | 3822747838 |
15 | 26980876665 |
16 | 191958821704 |
[2,6,35,160,1026,6251,39860,258021,1710770, 11553916,78929862,546477542,3822747838, 26980876665,191958821704] |