n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 29 |
5 | 97 |
6 | 333 |
7 | 1165 |
8 | 4135 |
9 | 14845 |
10 | 53791 |
11 | 196417 |
12 | 721887 |
13 | 2667941 |
14 | 9907851 |
15 | 36950465 |
16 | 138320021 |
17 | 519515209 |
18 | 1957091277 |
19 | 7392602917 |
20 | 27992976565 |
21 | 106236268337 |
22 | 404005515873 |
23 | 1539293204549 |
24 | 5875059106769 |
25 | 22459721336977 |
[1,1,3,9,29,97,333,1165,4135,14845,53791,196417, 721887,2667941,9907851,36950465,138320021, 519515209,1957091277,7392602917,27992976565, 106236268337,404005515873,1539293204549, 5875059106769,22459721336977] |