n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 2 |
6 | 3 |
7 | 4 |
8 | 5 |
9 | 6 |
10 | 9 |
11 | 11 |
12 | 16 |
13 | 20 |
14 | 27 |
15 | 36 |
16 | 48 |
17 | 64 |
18 | 87 |
19 | 114 |
20 | 154 |
21 | 206 |
22 | 274 |
23 | 363 |
24 | 484 |
25 | 649 |
26 | 868 |
27 | 1159 |
28 | 1549 |
29 | 2052 |
30 | 2747 |
[1,1,1,2,2,3,4,5,6,9,11,16,20,27,36,48,64,87,114, 154,206,274,363,484,649,868,1159,1549,2052,2747] |