n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 221 |
4 | 1513 |
5 | 71065 |
6 | 487085 |
7 | 22882613 |
8 | 156839761 |
9 | 7368130225 |
10 | 50501915861 |
11 | 2372515049741 |
12 | 16261460067385 |
13 | 763942477886281 |
14 | 5236139639782013 |
15 | 245987105364332645 |
16 | 1686020702549740705 |
17 | 79207083984837225313 |
18 | 542893430081376724901 |
19 | 25504435056012222218045 |
[1,5,221,1513,71065,487085,22882613,156839761, 7368130225,50501915861,2372515049741, 16261460067385,763942477886281,5236139639782013, 245987105364332645,1686020702549740705, 79207083984837225313,542893430081376724901, 25504435056012222218045] |