n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 1 |
9 | 0 |
10 | 1 |
11 | 2 |
12 | 4 |
13 | 16 |
14 | 48 |
15 | 83 |
16 | 168 |
17 | 334 |
18 | 805 |
19 | 1475 |
20 | 3426 |
21 | 6864 |
22 | 14146 |
23 | 29372 |
24 | 62266 |
25 | 125674 |
26 | 125674 |
27 | 261896 |
28 | 532460 |
29 | 1078877 |
30 | 2208745 |
31 | 4491454 |
32 | 9098537 |
33 | 18615362 |
[0,0,0,0,0,0,0,1,0,1,2,4,16,48,83,168,334,805, 1475,3426,6864,14146,29372,62266,125674,125674, 261896,532460,1078877,2208745,4491454,9098537, 18615362] |