n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 5 |
6 | 11 |
7 | 28 |
8 | 68 |
9 | 174 |
10 | 445 |
11 | 1166 |
12 | 3068 |
13 | 8190 |
14 | 21994 |
15 | 59585 |
16 | 162360 |
17 | 445145 |
18 | 1226376 |
19 | 3394654 |
20 | 9434260 |
21 | 26317865 |
22 | 73661588 |
23 | 206809307 |
24 | 582255448 |
25 | 1643536725 |
26 | 4650250254 |
27 | 13186484316 |
28 | 37468566744 |
29 | 106666821221 |
30 | 304200399505 |
31 | 868977304140 |
32 | 2486163857424 |
[1,0,1,1,2,5,11,28,68,174,445,1166,3068,8190, 21994,59585,162360,445145,1226376,3394654,9434260, 26317865,73661588,206809307,582255448,1643536725, 4650250254,13186484316,37468566744,106666821221, 304200399505,868977304140,2486163857424] |