n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 25 |
6 | 54 |
7 | 120 |
8 | 265 |
9 | 580 |
10 | 1272 |
11 | 2796 |
12 | 6143 |
13 | 13488 |
14 | 29619 |
15 | 65053 |
16 | 142873 |
17 | 313771 |
18 | 689095 |
19 | 1513390 |
20 | 3323699 |
21 | 7299465 |
22 | 16031000 |
23 | 35207128 |
24 | 77321545 |
25 | 169812767 |
26 | 372941033 |
27 | 819049274 |
28 | 1798787604 |
29 | 3950478790 |
30 | 8676000808 |
31 | 19054143661 |
32 | 41846514135 |
[1,2,5,12,25,54,120,265,580,1272,2796,6143,13488, 29619,65053,142873,313771,689095,1513390,3323699, 7299465,16031000,35207128,77321545,169812767, 372941033,819049274,1798787604,3950478790, 8676000808,19054143661,41846514135] |