n | a(n) |
---|---|
1 | 3 |
2 | 5 |
3 | 17 |
4 | 61 |
5 | 317 |
6 | 1951 |
7 | 13697 |
8 | 109597 |
9 | 986411 |
10 | 9864091 |
11 | 108505097 |
12 | 1302061337 |
13 | 16926797467 |
14 | 236975164793 |
15 | 3554627472059 |
16 | 56874039553189 |
17 | 966858672404659 |
18 | 17403456103284379 |
19 | 330665665962403997 |
20 | 6613313319248079991 |
[3,5,17,61,317,1951,13697,109597,986411,9864091, 108505097,1302061337,16926797467,236975164793, 3554627472059,56874039553189,966858672404659, 17403456103284379,330665665962403997, 6613313319248079991] |