n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 14 |
6 | 38 |
7 | 120 |
8 | 353 |
9 | 1148 |
10 | 3527 |
11 | 11622 |
12 | 36627 |
13 | 121622 |
14 | 389560 |
15 | 1301140 |
16 | 4215748 |
17 | 14146335 |
18 | 46235800 |
19 | 155741571 |
20 | 512559195 |
21 | 1732007938 |
22 | 5732533570 |
23 | 19423092113 |
24 | 64590165281 |
25 | 219349187968 |
26 | 732358098471 |
27 | 2492051377341 |
28 | 8349072895553 |
29 | 28459491475593 |
[1,1,2,5,14,38,120,353,1148,3527,11622,36627, 121622,389560,1301140,4215748,14146335,46235800, 155741571,512559195,1732007938,5732533570, 19423092113,64590165281,219349187968,732358098471, 2492051377341,8349072895553,28459491475593] |