n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 15 |
4 | 37 |
5 | 85 |
6 | 192 |
7 | 414 |
8 | 879 |
9 | 1816 |
10 | 3694 |
11 | 7362 |
12 | 14480 |
13 | 28037 |
14 | 53644 |
15 | 101379 |
16 | 189587 |
17 | 350874 |
18 | 643431 |
19 | 1169388 |
20 | 2108045 |
21 | 3770430 |
22 | 6694894 |
23 | 11804968 |
24 | 20679720 |
25 | 35999794 |
26 | 62298755 |
27 | 107198541 |
28 | 183462856 |
29 | 312357002 |
30 | 529173060 |
31 | 892216829 |
32 | 1497454396 |
33 | 2502190992 |
[1,2,6,15,37,85,192,414,879,1816,3694,7362,14480, 28037,53644,101379,189587,350874,643431,1169388, 2108045,3770430,6694894,11804968,20679720, 35999794,62298755,107198541,183462856,312357002, 529173060,892216829,1497454396,2502190992] |