n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 0 |
4 | 3 |
5 | 2 |
6 | 10 |
7 | 16 |
8 | 43 |
9 | 92 |
10 | 213 |
11 | 486 |
12 | 1100 |
13 | 2522 |
14 | 5719 |
15 | 13068 |
16 | 29721 |
17 | 67772 |
18 | 154334 |
19 | 351670 |
20 | 801137 |
21 | 1825184 |
22 | 4158219 |
23 | 9473244 |
24 | 21582392 |
25 | 49169220 |
26 | 112018989 |
27 | 255203904 |
28 | 581412535 |
29 | 1324587918 |
30 | 3017709810 |
31 | 6875021540 |
32 | 15662845615 |
[0,1,0,3,2,10,16,43,92,213,486,1100,2522,5719, 13068,29721,67772,154334,351670,801137,1825184, 4158219,9473244,21582392,49169220,112018989, 255203904,581412535,1324587918,3017709810, 6875021540,15662845615] |