n | a(n) |
---|---|
0 | 2 |
1 | 7 |
2 | 27 |
3 | 107 |
4 | 427 |
5 | 1707 |
6 | 6827 |
7 | 27307 |
8 | 109227 |
9 | 436907 |
10 | 1747627 |
11 | 6990507 |
12 | 27962027 |
13 | 111848107 |
14 | 447392427 |
15 | 1789569707 |
16 | 7158278827 |
17 | 28633115307 |
18 | 114532461227 |
19 | 458129844907 |
20 | 1832519379627 |
21 | 7330077518507 |
22 | 29320310074027 |
[2,7,27,107,427,1707,6827,27307,109227,436907, 1747627,6990507,27962027,111848107,447392427, 1789569707,7158278827,28633115307,114532461227, 458129844907,1832519379627,7330077518507, 29320310074027] |