n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 61 |
4 | 550 |
5 | 6195 |
6 | 83837 |
7 | 1326923 |
8 | 24078588 |
9 | 493309850 |
10 | 11271757335 |
11 | 284379843234 |
12 | 7856320956198 |
13 | 235986714918110 |
14 | 7660827258318780 |
15 | 267365373971139600 |
16 | 9985779421324740445 |
17 | 397508459931685273305 |
[1,2,9,61,550,6195,83837,1326923,24078588, 493309850,11271757335,284379843234,7856320956198, 235986714918110,7660827258318780, 267365373971139600,9985779421324740445, 397508459931685273305] |