n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 6 |
4 | 6 |
5 | 16 |
6 | 16 |
7 | 45 |
8 | 45 |
9 | 142 |
10 | 142 |
11 | 435 |
12 | 435 |
13 | 1417 |
14 | 1417 |
15 | 4802 |
16 | 4802 |
17 | 16433 |
18 | 16433 |
19 | 57808 |
20 | 57808 |
21 | 210708 |
22 | 210708 |
23 | 752233 |
24 | 752233 |
25 | 2748264 |
26 | 2748264 |
27 | 10211513 |
28 | 10211513 |
29 | 38013234 |
30 | 38013234 |
31 | 140417288 |
32 | 140417288 |
[2,3,6,6,16,16,45,45,142,142,435,435,1417,1417, 4802,4802,16433,16433,57808,57808,210708,210708, 752233,752233,2748264,2748264,10211513,10211513, 38013234,38013234,140417288,140417288] |