n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 17 |
4 | 209 |
5 | 773 |
6 | 13327 |
7 | 65461 |
8 | 1441729 |
9 | 1255151 |
10 | 234662231 |
11 | 1702678841 |
12 | 53334454417 |
13 | 448162154317 |
14 | 16083557845279 |
15 | 13946689584823 |
16 | 126523856174033 |
17 | 66120494322107921 |
18 | 269906478537389909 |
19 | 34987413853951524577 |
[1,2,7,17,209,773,13327,65461,1441729,1255151, 234662231,1702678841,53334454417,448162154317, 16083557845279,13946689584823,126523856174033, 66120494322107921,269906478537389909, 34987413853951524577] |