n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 2 |
9 | 4 |
10 | 7 |
11 | 14 |
12 | 28 |
13 | 56 |
14 | 112 |
15 | 223 |
16 | 444 |
17 | 884 |
18 | 1761 |
19 | 3508 |
20 | 6988 |
21 | 13920 |
22 | 27728 |
23 | 55233 |
24 | 110022 |
25 | 219160 |
26 | 436559 |
27 | 869610 |
28 | 1732232 |
29 | 3450544 |
30 | 6873360 |
31 | 13691487 |
32 | 27272952 |
33 | 54326744 |
34 | 108216929 |
35 | 215564248 |
36 | 429396264 |
37 | 855341984 |
38 | 1703810608 |
39 | 3393929729 |
[0,0,1,0,0,0,0,1,2,4,7,14,28,56,112,223,444,884, 1761,3508,6988,13920,27728,55233,110022,219160, 436559,869610,1732232,3450544,6873360,13691487, 27272952,54326744,108216929,215564248,429396264, 855341984,1703810608,3393929729] |