n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 17 |
5 | 41 |
6 | 87 |
7 | 187 |
8 | 412 |
9 | 937 |
10 | 2162 |
11 | 5298 |
12 | 12354 |
13 | 29994 |
14 | 74094 |
15 | 182994 |
16 | 444354 |
17 | 1081419 |
18 | 2737788 |
19 | 6745792 |
20 | 16765802 |
21 | 41815827 |
22 | 105943891 |
23 | 261683475 |
24 | 655537299 |
25 | 1668304275 |
[1,3,7,17,41,87,187,412,937,2162,5298,12354,29994, 74094,182994,444354,1081419,2737788,6745792, 16765802,41815827,105943891,261683475,655537299, 1668304275] |