n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 2 |
6 | 4 |
7 | 0 |
8 | 4 |
9 | 10 |
10 | 29 |
11 | 40 |
12 | 64 |
13 | 88 |
14 | 221 |
15 | 420 |
16 | 800 |
17 | 1280 |
18 | 2336 |
19 | 4260 |
20 | 8325 |
21 | 15000 |
22 | 27200 |
23 | 48360 |
24 | 89541 |
25 | 164430 |
26 | 303300 |
27 | 549120 |
28 | 1001156 |
29 | 1824342 |
30 | 3350169 |
31 | 6122640 |
32 | 11189504 |
33 | 20391280 |
34 | 37266329 |
35 | 68097480 |
36 | 124548224 |
37 | 227452928 |
38 | 415474816 |
[1,0,0,0,1,2,4,0,4,10,29,40,64,88,221,420,800, 1280,2336,4260,8325,15000,27200,48360,89541, 164430,303300,549120,1001156,1824342,3350169, 6122640,11189504,20391280,37266329,68097480, 124548224,227452928,415474816] |