n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 1 |
10 | 1 |
11 | 5 |
12 | 8 |
13 | 22 |
14 | 47 |
15 | 103 |
16 | 233 |
17 | 487 |
18 | 1072 |
19 | 2246 |
20 | 4803 |
21 | 10202 |
22 | 21440 |
23 | 45115 |
24 | 94434 |
25 | 197891 |
26 | 412010 |
27 | 858846 |
28 | 1783610 |
29 | 3700698 |
30 | 7665755 |
31 | 15853990 |
32 | 32750248 |
33 | 67564405 |
34 | 139238488 |
35 | 286625278 |
36 | 589472979 |
37 | 1211146741 |
38 | 2486322304 |
[0,0,0,0,0,0,0,0,0,1,1,5,8,22,47,103,233,487,1072, 2246,4803,10202,21440,45115,94434,197891,412010, 858846,1783610,3700698,7665755,15853990,32750248, 67564405,139238488,286625278,589472979,1211146741, 2486322304] |