n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 91 |
4 | 273 |
5 | 8463 |
6 | 363909 |
7 | 6914271 |
8 | 504741783 |
9 | 504741783 |
10 | 18675445971 |
11 | 18675445971 |
12 | 2932045017447 |
13 | 178854746064267 |
14 | 37738351419560337 |
15 | 9094942692114041217 |
16 | 9094942692114041217 |
17 | 2792147406479010653619 |
18 | 136815222917471522027331 |
[1,7,91,273,8463,363909,6914271,504741783, 504741783,18675445971,18675445971,2932045017447, 178854746064267,37738351419560337, 9094942692114041217,9094942692114041217, 2792147406479010653619,136815222917471522027331] |