n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 2 |
6 | 2 |
7 | 5 |
8 | 10 |
9 | 18 |
10 | 46 |
11 | 94 |
12 | 212 |
13 | 476 |
14 | 1058 |
15 | 2441 |
16 | 5564 |
17 | 12880 |
18 | 29920 |
19 | 69620 |
20 | 163220 |
21 | 383376 |
22 | 904114 |
23 | 2139592 |
24 | 5074784 |
25 | 12074152 |
26 | 28789112 |
27 | 68803148 |
28 | 164779064 |
29 | 395373108 |
30 | 950416330 |
31 | 2288438591 |
32 | 5518864858 |
33 | 13329183894 |
34 | 32237132814 |
35 | 78069124640 |
[1,0,1,0,2,2,5,10,18,46,94,212,476,1058,2441,5564, 12880,29920,69620,163220,383376,904114,2139592, 5074784,12074152,28789112,68803148,164779064, 395373108,950416330,2288438591,5518864858, 13329183894,32237132814,78069124640] |