n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 1 |
7 | 2 |
8 | 3 |
9 | 5 |
10 | 7 |
11 | 10 |
12 | 13 |
13 | 18 |
14 | 24 |
15 | 32 |
16 | 40 |
17 | 51 |
18 | 66 |
19 | 83 |
20 | 103 |
21 | 128 |
22 | 158 |
23 | 194 |
24 | 237 |
25 | 288 |
26 | 348 |
27 | 419 |
28 | 500 |
29 | 612 |
[0,0,0,0,1,1,2,3,5,7,10,13,18,24,32,40,51,66,83, 103,128,158,194,237,288,348,419,500,612] |