n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 7 |
4 | 31 |
5 | 71 |
6 | 631 |
7 | 3433 |
8 | 51481 |
9 | 2704157 |
10 | 280816201 |
11 | 4808643121 |
12 | 35345263801 |
13 | 2104098963721 |
14 | 94684453367401 |
15 | 1580132580471901 |
16 | 483701705079089804581 |
17 | 6892620648693261354601 |
18 | 410795449442059149332177041 |
19 | 2522283613639104833370312431401 |
[2,3,7,31,71,631,3433,51481,2704157,280816201, 4808643121,35345263801,2104098963721, 94684453367401,1580132580471901, 483701705079089804581,6892620648693261354601, 410795449442059149332177041, 2522283613639104833370312431401] |