n | a(n) |
---|---|
1 | 3 |
2 | 9 |
3 | 39 |
4 | 170 |
5 | 790 |
6 | 3729 |
7 | 17468 |
8 | 82769 |
9 | 394904 |
10 | 1890877 |
11 | 9080800 |
12 | 43650638 |
13 | 210047292 |
14 | 1011165147 |
15 | 4869719373 |
16 | 23456281889 |
17 | 113000007399 |
18 | 544411868911 |
19 | 2623011742357 |
20 | 12638188505237 |
21 | 60894518951302 |
22 | 293410920660702 |
[3,9,39,170,790,3729,17468,82769,394904,1890877, 9080800,43650638,210047292,1011165147,4869719373, 23456281889,113000007399,544411868911, 2623011742357,12638188505237,60894518951302, 293410920660702] |