n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 3 |
8 | 6 |
9 | 8 |
10 | 12 |
11 | 18 |
12 | 26 |
13 | 40 |
14 | 60 |
15 | 89 |
16 | 135 |
17 | 201 |
18 | 303 |
19 | 453 |
20 | 680 |
21 | 1022 |
22 | 1528 |
23 | 2299 |
24 | 3443 |
25 | 5176 |
26 | 7750 |
27 | 11642 |
28 | 17443 |
29 | 26172 |
30 | 39246 |
31 | 58874 |
32 | 88308 |
33 | 132461 |
34 | 198694 |
35 | 298094 |
36 | 447097 |
37 | 670645 |
38 | 1005992 |
39 | 1508898 |
40 | 2263540 |
[0,1,0,1,1,3,3,6,8,12,18,26,40,60,89,135,201,303, 453,680,1022,1528,2299,3443,5176,7750,11642,17443, 26172,39246,58874,88308,132461,198694,298094, 447097,670645,1005992,1508898,2263540] |