n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 27 |
6 | 84 |
7 | 265 |
8 | 892 |
9 | 3078 |
10 | 10917 |
11 | 39683 |
12 | 147762 |
13 | 559640 |
14 | 2154331 |
15 | 8416964 |
16 | 33261595 |
17 | 132862775 |
18 | 536061253 |
19 | 2182072592 |
20 | 8952086612 |
21 | 37000546739 |
22 | 153950290800 |
23 | 644361566782 |
24 | 2712078227312 |
25 | 11474353274885 |
26 | 48776461977010 |
27 | 208261335853889 |
28 | 892909478125003 |
29 | 3842953777938297 |
[1,1,2,4,10,27,84,265,892,3078,10917,39683,147762, 559640,2154331,8416964,33261595,132862775, 536061253,2182072592,8952086612,37000546739, 153950290800,644361566782,2712078227312, 11474353274885,48776461977010,208261335853889, 892909478125003,3842953777938297] |