n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 9 |
3 | 39 |
4 | 1141 |
5 | 12721 |
6 | 804309 |
7 | 17113719 |
8 | 1886573641 |
9 | 65373260641 |
10 | 11127809595009 |
11 | 570506317184199 |
12 | 138730500808639741 |
13 | 9867549661639871761 |
[1,1,9,39,1141,12721,804309,17113719,1886573641, 65373260641,11127809595009,570506317184199, 138730500808639741,9867549661639871761] |