n | a(n) |
---|---|
0 | 6 |
1 | 31 |
2 | 181 |
3 | 1081 |
4 | 6481 |
5 | 38881 |
6 | 233281 |
7 | 1399681 |
8 | 8398081 |
9 | 50388481 |
10 | 302330881 |
11 | 1813985281 |
12 | 10883911681 |
13 | 65303470081 |
14 | 391820820481 |
15 | 2350924922881 |
16 | 14105549537281 |
17 | 84633297223681 |
18 | 507799783342081 |
19 | 3046798700052481 |
20 | 18280792200314881 |
[6,31,181,1081,6481,38881,233281,1399681,8398081, 50388481,302330881,1813985281,10883911681, 65303470081,391820820481,2350924922881, 14105549537281,84633297223681,507799783342081, 3046798700052481,18280792200314881] |