n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 2 |
7 | 5 |
8 | 8 |
9 | 15 |
10 | 24 |
11 | 45 |
12 | 80 |
13 | 155 |
14 | 288 |
15 | 550 |
16 | 1024 |
17 | 1935 |
18 | 3626 |
19 | 6885 |
20 | 13056 |
21 | 24940 |
22 | 47616 |
23 | 91225 |
24 | 174760 |
25 | 335626 |
26 | 645120 |
27 | 1242600 |
28 | 2396160 |
29 | 4627915 |
30 | 8947294 |
31 | 17318945 |
32 | 33554432 |
33 | 65076240 |
34 | 126320640 |
35 | 245424829 |
36 | 477211280 |
37 | 928638035 |
38 | 1808400384 |
39 | 3524082400 |
[1,0,0,0,1,2,5,8,15,24,45,80,155,288,550,1024, 1935,3626,6885,13056,24940,47616,91225,174760, 335626,645120,1242600,2396160,4627915,8947294, 17318945,33554432,65076240,126320640,245424829, 477211280,928638035,1808400384,3524082400] |