n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 3 |
8 | 4 |
9 | 6 |
10 | 9 |
11 | 12 |
12 | 18 |
13 | 27 |
14 | 38 |
15 | 55 |
16 | 81 |
17 | 117 |
18 | 169 |
19 | 246 |
20 | 357 |
21 | 517 |
22 | 751 |
23 | 1090 |
24 | 1580 |
25 | 2293 |
26 | 3328 |
27 | 4827 |
28 | 7003 |
29 | 10162 |
30 | 14743 |
31 | 21389 |
32 | 31034 |
33 | 45026 |
34 | 65325 |
35 | 94779 |
36 | 137512 |
37 | 199509 |
38 | 289461 |
39 | 419970 |
40 | 609317 |
[1,0,0,1,1,1,2,3,4,6,9,12,18,27,38,55,81,117,169, 246,357,517,751,1090,1580,2293,3328,4827,7003, 10162,14743,21389,31034,45026,65325,94779,137512, 199509,289461,419970,609317] |