n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 10 |
5 | 32 |
6 | 95 |
7 | 306 |
8 | 978 |
9 | 3235 |
10 | 10767 |
11 | 36470 |
12 | 124514 |
13 | 429648 |
14 | 1492944 |
15 | 5225700 |
16 | 18396350 |
17 | 65115694 |
18 | 231555165 |
19 | 826956617 |
20 | 2964543205 |
21 | 10664540170 |
22 | 38484972969 |
23 | 139281469165 |
24 | 505408580484 |
25 | 1838442927937 |
26 | 6702466323520 |
27 | 24486411113076 |
28 | 89630823136513 |
29 | 328680670354328 |
30 | 1207323483992684 |
31 | 4441801238353311 |
32 | 16365832987077134 |
33 | 60384021404260146 |
34 | 223087697417538491 |
[1,1,1,4,10,32,95,306,978,3235,10767,36470,124514, 429648,1492944,5225700,18396350,65115694, 231555165,826956617,2964543205,10664540170, 38484972969,139281469165,505408580484, 1838442927937,6702466323520,24486411113076, 89630823136513,328680670354328,1207323483992684, 4441801238353311,16365832987077134, 60384021404260146,223087697417538491] |