n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 12 |
6 | 25 |
7 | 57 |
8 | 124 |
9 | 268 |
10 | 588 |
11 | 1285 |
12 | 2801 |
13 | 6118 |
14 | 13362 |
15 | 29168 |
16 | 63685 |
17 | 139057 |
18 | 303608 |
19 | 662888 |
20 | 1447352 |
21 | 3160121 |
22 | 6899745 |
23 | 15064810 |
24 | 32892270 |
25 | 71816436 |
26 | 156802881 |
27 | 342360937 |
28 | 747505396 |
29 | 1632091412 |
30 | 3563482500 |
31 | 7780451037 |
32 | 16987713169 |
33 | 37090703118 |
[0,1,1,2,6,12,25,57,124,268,588,1285,2801,6118, 13362,29168,63685,139057,303608,662888,1447352, 3160121,6899745,15064810,32892270,71816436, 156802881,342360937,747505396,1632091412, 3563482500,7780451037,16987713169,37090703118] |