n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 1 |
4 | 1 |
5 | 0 |
6 | 0 |
7 | 2 |
8 | 3 |
9 | 1 |
10 | 2 |
11 | 11 |
12 | 17 |
13 | 12 |
14 | 25 |
15 | 81 |
16 | 127 |
17 | 134 |
18 | 276 |
19 | 696 |
20 | 1118 |
21 | 1492 |
22 | 3005 |
23 | 6607 |
24 | 10935 |
25 | 16766 |
26 | 33047 |
27 | 67249 |
28 | 114611 |
29 | 190706 |
30 | 369424 |
31 | 719956 |
32 | 1258251 |
33 | 2196855 |
34 | 4201958 |
35 | 8000409 |
36 | 14263679 |
37 | 25620508 |
38 | 48585009 |
39 | 91421253 |
40 | 165467590 |
[1,-1,1,1,0,0,2,3,1,2,11,17,12,25,81,127,134,276, 696,1118,1492,3005,6607,10935,16766,33047,67249, 114611,190706,369424,719956,1258251,2196855, 4201958,8000409,14263679,25620508,48585009, 91421253,165467590] |