n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 12 |
6 | 43 |
7 | 126 |
8 | 539 |
9 | 2304 |
10 | 11023 |
11 | 54682 |
12 | 284071 |
13 | 1509852 |
14 | 8195029 |
15 | 45080666 |
16 | 250641895 |
17 | 1404374248 |
18 | 7917211349 |
19 | 44848645458 |
20 | 255055231763 |
21 | 1455247360128 |
22 | 8326191290585 |
23 | 47752990403134 |
[1,2,3,7,12,43,126,539,2304,11023,54682,284071, 1509852,8195029,45080666,250641895,1404374248, 7917211349,44848645458,255055231763,1455247360128, 8326191290585,47752990403134] |