n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 12 |
6 | 37 |
7 | 129 |
8 | 465 |
9 | 1912 |
10 | 8449 |
11 | 39481 |
12 | 200081 |
13 | 1069470 |
14 | 6043361 |
15 | 36120082 |
16 | 226063729 |
17 | 1484564600 |
18 | 10184907985 |
19 | 72814137773 |
20 | 542009067393 |
21 | 4188018707130 |
22 | 33562233856177 |
23 | 278441210021464 |
24 | 2387929437251657 |
[1,1,1,2,5,12,37,129,465,1912,8449,39481,200081, 1069470,6043361,36120082,226063729,1484564600, 10184907985,72814137773,542009067393, 4188018707130,33562233856177,278441210021464, 2387929437251657] |