n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 4 |
8 | 8 |
9 | 15 |
10 | 30 |
11 | 60 |
12 | 122 |
13 | 249 |
14 | 513 |
15 | 1061 |
16 | 2210 |
17 | 4620 |
18 | 9708 |
19 | 20472 |
20 | 43337 |
21 | 92023 |
22 | 196018 |
23 | 418653 |
24 | 896485 |
25 | 1924154 |
26 | 4139014 |
27 | 8921349 |
28 | 19266067 |
29 | 41679483 |
30 | 90318082 |
31 | 196020800 |
32 | 426055601 |
33 | 927317334 |
34 | 2020949226 |
35 | 4409764169 |
[1,1,1,1,1,2,4,8,15,30,60,122,249,513,1061,2210, 4620,9708,20472,43337,92023,196018,418653,896485, 1924154,4139014,8921349,19266067,41679483, 90318082,196020800,426055601,927317334,2020949226, 4409764169] |