n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 15 |
6 | 34 |
7 | 82 |
8 | 193 |
9 | 464 |
10 | 1111 |
11 | 2683 |
12 | 6482 |
13 | 15730 |
14 | 38232 |
15 | 93177 |
16 | 227458 |
17 | 556323 |
18 | 1362639 |
19 | 3342504 |
20 | 8209130 |
21 | 20185204 |
22 | 49684404 |
23 | 122413446 |
24 | 301870406 |
25 | 745019874 |
26 | 1840103575 |
27 | 4548008306 |
28 | 11248190948 |
[1,1,3,6,15,34,82,193,464,1111,2683,6482,15730, 38232,93177,227458,556323,1362639,3342504,8209130, 20185204,49684404,122413446,301870406,745019874, 1840103575,4548008306,11248190948] |