n | a(n) |
---|---|
0 | 2 |
1 | 13 |
2 | 89 |
3 | 637 |
4 | 4721 |
5 | 35893 |
6 | 277769 |
7 | 2175277 |
8 | 17167841 |
9 | 136170853 |
10 | 1083507449 |
11 | 8638762717 |
12 | 68963617361 |
13 | 550976517013 |
14 | 4404150026729 |
15 | 35214889666957 |
16 | 281627564601281 |
17 | 2252562753138373 |
18 | 18018213206747609 |
19 | 144134261562183997 |
[2,13,89,637,4721,35893,277769,2175277,17167841, 136170853,1083507449,8638762717,68963617361, 550976517013,4404150026729,35214889666957, 281627564601281,2252562753138373, 18018213206747609,144134261562183997] |