n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 15 |
6 | 46 |
7 | 133 |
8 | 436 |
9 | 1433 |
10 | 4878 |
11 | 16797 |
12 | 58837 |
13 | 208013 |
14 | 743034 |
15 | 2674457 |
16 | 9695281 |
17 | 35357671 |
18 | 129646266 |
19 | 477638701 |
20 | 1767268073 |
21 | 6564120555 |
22 | 24466283818 |
23 | 91482563641 |
24 | 343059672916 |
25 | 1289904147339 |
26 | 4861946609466 |
[1,2,3,7,15,46,133,436,1433,4878,16797,58837, 208013,743034,2674457,9695281,35357671,129646266, 477638701,1767268073,6564120555,24466283818, 91482563641,343059672916,1289904147339, 4861946609466] |