n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 20 |
7 | 35 |
8 | 74 |
9 | 130 |
10 | 258 |
11 | 473 |
12 | 1007 |
13 | 1830 |
14 | 3912 |
15 | 7093 |
16 | 15233 |
17 | 27831 |
18 | 60458 |
19 | 109555 |
20 | 239039 |
21 | 433654 |
22 | 946849 |
23 | 1709524 |
24 | 3746021 |
25 | 6750928 |
[1,1,2,3,6,10,20,35,74,130,258,473,1007,1830,3912, 7093,15233,27831,60458,109555,239039,433654, 946849,1709524,3746021,6750928] |