n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 10 |
5 | 27 |
6 | 114 |
7 | 409 |
8 | 2066 |
9 | 9089 |
10 | 52922 |
11 | 272947 |
12 | 1788850 |
13 | 10515147 |
14 | 76282138 |
15 | 501178937 |
16 | 3974779402 |
17 | 28773452321 |
18 | 247083681522 |
19 | 1949230218691 |
20 | 17984917069018 |
21 | 153281759047387 |
22 | 1510073008031682 |
23 | 13806215066685433 |
[1,2,3,10,27,114,409,2066,9089,52922,272947, 1788850,10515147,76282138,501178937,3974779402, 28773452321,247083681522,1949230218691, 17984917069018,153281759047387,1510073008031682, 13806215066685433] |