n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 21 |
4 | 47 |
5 | 227 |
6 | 499 |
7 | 2321 |
8 | 5087 |
9 | 23429 |
10 | 51263 |
11 | 235881 |
12 | 515691 |
13 | 2372511 |
14 | 5185609 |
15 | 23856215 |
16 | 52139887 |
17 | 239863701 |
18 | 524238555 |
19 | 2411688233 |
20 | 5270900439 |
21 | 24248031407 |
22 | 52995614649 |
[1,3,21,47,227,499,2321,5087,23429,51263,235881, 515691,2372511,5185609,23856215,52139887, 239863701,524238555,2411688233,5270900439, 24248031407,52995614649] |