n | a(n) |
---|---|
2 | 1 |
3 | 9 |
4 | 258 |
5 | 18070 |
6 | 1193265 |
7 | 71833671 |
8 | 4116288204 |
9 | 246535687044 |
10 | 14276990551185 |
11 | 738244819092055 |
12 | 34951581964536930 |
13 | 1558650106287998802 |
14 | 66599892238284898857 |
15 | 2751910251508099981950 |
16 | 110408459890796284831080 |
[1,9,258,18070,1193265,71833671,4116288204, 246535687044,14276990551185,738244819092055, 34951581964536930,1558650106287998802, 66599892238284898857,2751910251508099981950, 110408459890796284831080] |